Disclaimer : I don't own it.

Note : This idea was given to me by Darklight8121.

Starfire201 - I don't know. I like horror movies, even though they keep me looking over my shoulder. This one was very creepy, and that's why it worked so well for the chapter. :)

Warior Queen 21 - I'm a horror movie buff, myself. Well, at least someone got a good laugh out of it. LOL

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(Normal POV)

Snickers were heard echoing down the hall as two large figure snuck surprisingly quietly into a darkened room. One carried a bowl in his hands, and his blue optics trained on the unmoving figure lying on the berth in front of them.

'Come after us when we're recharging will you.'

Another snicker almost seemed to echo in the otherwise silent room. 'Revenge is sweet.'

Oh yes, this revenge would be sweet.

The bowl was carefully shifted to one hand as the duo arrived next to the recharge berth and for a moment simply stood over the prone body on it. Then, slowly, the one holding the bowl knelt down and grasped one hand of the sleeping body.

"Teach you." He murmured, placing the hand in the bowl. He then placed the bowl on the berth next to the body and stood up. "Bathroom next." He gestured with his head, leading the way into the next room. Then he shut the door behind the other form and turned on the light. "Time to get to work. Sides, you get the sink, and I'll get the shower."

Tools almost seemed to mysteriously materialize from storing spaces all over their bodies and they quickly and quietly got to work. The work they did was fairly quiet, except when Sideswip dropped a wrench on Sunstreaker's head. Sideswipe had been working on the tap of the sink, while Sunstreaker tweeked the pipes underneath. He'd dropped the wrench, which hit the edge of the sink with a clatter before falling over the edge and beaning his brother.

Yelping, Sunstreaker shot up and rubbed at his head, even as he glared at his brother and brandished the wrench threateningly. "Channeling Ratchet, now?" He hissed lowly.

"Hey, it was an accident! I'm not the one holding the wrench like a club!"

Blinking down at his hand, Sunstreaker shuddered a little and shoved the wrench back into Sideswipe's hands. "Just keep a better hold on it." He gingerly pressed at the spot in the back of his head and groaned a little realizing not only did it still hurt, but he had a small dent there. I'll have to get Jolt to look at it later. He thought, as he crouched back down and got back to work.

'Done with the taps.'

'Move on to the shower.' Tightening one last pipe, he smirked to himself and carefully crawled away from the sink before joining Sideswipe at the shower and carefully helping him pull a panel lose from the wall. While his brother worked on the shower head and tap, he got to work on the pipes here.

'He's so in for it.' Sides snickered again as he quickly finished his work, this time not losing the wrench.

Unable to help it, Sunstreaker smirked. 'Oh yeah.'

When they finished with the shower, they left the bathroom again, but not before turning off the light. Entering the room where the prone figure lay, a smell hit them and they grimaced in disgust before exchanging a smirk. 'Get the bowl and empty it. I'll work on his communications systems.'

Sunstreaker opened a panel on the back of one of the figure's shoulders, having to reach awkwardly to do it. He leaned in and began rearranging wires, a smirk plastered to his facial plates as he went.

Sideswipe had his own matching smirk as he grabbed the bowl carefully, pulled the hand out of it, and placed the hand carefully on the berth before returning to the bathroom and dumping the bowl.

By the time he'd returned, Sunstreaker had finished his work, and together, the twins snuck back out of the room, snickers echoing in their wake as they silently fled back down the halls.

Alone in the room, the recharging figure recharged on, unaware.

(Next Day)

When Ratchet came online, he became aware of one very unpleasant fact.

There was a strange wetness between his legs.

Frowning to himself, he checked his systems and almost groaned when he realized his oil tanks were much emptier than they usually were when he first onlined in the mornings. Then he mentally began to wonder what happened.

Climbing out of his berth, he immediately came to the conclusion he'd somehow lubricated himself.

His optics widened and he looked around horrified. Then he sighed in relief when he confirmed the fact he was alone. That would have been mortifying. He looked to his berth and winced at the oil stain where he'd been sleeping. With a sigh, he went into the bathroom to grab a towel and cleaned up the mess, before tossing the towel. He then turned on the shower, and waited for the water to warm. Why is human technology so primitive? We really must do something about the showers at least.

Once the shower was warm, he stepped in. He immediately began scrubbing himself down. It was a few minutes before he realized something was off, and once again he ran scans.

His optics widened in horror and he yelped, jumping out of the shower and turning it off as he went. Looking down at himself, he growled in a fair immitation of an irate Ironhide when he realized instead of ridding himself of the oil stain, it had been sealed by the pollyurithane pouring from the shower.

His optics flashed a moment. Who...? His mental processors cycled through the list of Autobots who could have done it. By rights, they all had the knowledge, but only a few would actually use it. He had just narrowed the list to less than half a dozen Autobots, when he received a call over the communications link.

'Arcee to Ratchet, we have a medical emergency in the femmes' quarters!' The sheer panic in the mental voice caused his medibot routines to kick in and he promptly forgot about his humiliating situation as he literally ran out of his quarters and down the halls.

Several 'bots gave him odd looks or busted up laughing, but he ignored them as he made his way towards the femmes' quarters.

'Ratchet, hurry!!'

His optics widened and he sped off, jumping over humans and bypassing many familiar faces.

"Ratchet??" Optimus' voice, concerned, called to him.

He ignored it as he turned a corner and ran down yet another hall. Why is the femmes' quarters so fragging far from the rest of us?! he furiously thought as he stopped at a door, slightly panting. Swiping his hand over the panel, he raced into the room. "I'm here!"

Immediately, he froze.

Lying motionless on three berths, wakening upon his words were three femmes who appeared perfectly fine. Their optics onlined and seemed to blink as they sat up, and he could only stare wordlessly as they all sat up and looked at him.

"What the pit?!" Arcee's optics widened.

"Uh...." Chromia's jaw dropped.

Flare-up blinked and frowned. "Ratchet.... Why...." Abruptly her optics widened. "Ratchet! What the pit?!"

"Have fun?" Arcee's optics narrowed slowly as her eyes locked unerringly on his lower section.

Finall finding his voice, Ratchet frowned. "I..." They seem perfectly fine.

"Eww! Ratchet!"

"Never would've taken you for a perv." Flare-up, at least, seemed to find the humor in all this and snickered as her optics were also locked on his lower midsection.

"Ratchet!" Optimus' voice came from behind the medibot. "What the pit is going on?!"

Turning, Ratchet felt his cooling jets switch on as he saw Ironhide, Bumblebee and Optimus all staring at him in concern, which switched to shock when they took in his state.

Looking down, his cooling jets switched up a notch as he recalled the stain. "This... This isn't what it looks like."

"Then what is it, Ratchet? Get a good peep?" Arcee's voice had lowered.

Chromia simply growled, glaring at him, and upon seeing his sparkmate, Ironhide mimicked the growl, his cannons coming online.

"How dare you?!" He roared, raising his cannons. "Medibot or not, no one spies on my mate when she's in recharge!"

"I didn't!" Oh, Primus help me! "I swear! Look, I woke up like this!"

"You lubricated yourself in recharge?" Optimus' optics narrowed in confusion, his lips twitching.

"No! Well...Yes, I suppose so." Frowning, Ratchet sighed. "Pit, but if I find who did this to me-" He cut off and growled as a snicker escaped Bumblebee, the little scout looking like he was struggling not to full out laugh.

It seemed to start a chain reaction. Optimus' battle mask slipped down over his face, but is optics clearly showed he was amused. Even Flare-up had the sense to laugh, still sitting on her berth.

Ratchet's cooling jets had yet to switch off, much to the amusement of everyone in the area. "So what's the emergency?" When everyone looked at him in confusion, he played an audio playback of the messages, and Arcee frowned.

"I was recharging." Her optics narrowed. "As I'm sure you saw when you barged in so uncerimoniously."

A wince was her answer.

"So someone else sent it. Ironhide, I want you to canvas the area and find out anything you can." Optimus sighed. "Ratchet...you might want to...wash up." He choked suspiciously, befure turning and walking away.

"Yes, Ratchet." Chromia spoke up with a glare. "Please, wash up."

"I tried." He groaned, accessing his systems and trying to override the cooling jets. "And someone rigged my shower to spray pollyurithane."

She blinked a moment, and abruptly started laughing. "Are you...?? Oh my Primus, you're screwed!"

"I bet he's pissed." Flare-up blinked as her sisters busted up into laughter. Even Ironhide couldn't help but laugh, replacing his cannons as he did so. "Oh, not literally! Well, ok, yeah, literally... Shutting up now." She murmured, her own cooling jets switching on.

The cooling jets switched up a notch, interrupting the medibot's work in overriding their systems.

"No reason to be peed-off."

"More like Peed-on." Chromia began laughing hysterically.

Groaning again, Ratchet covered his face and walked out of the room, making his way past the other Autobots and struggling to ignore the laughter of other Autobots as he stalked past him. Luckily, he managed to shut off his cooling jets, even as he changed his mind and quickly went to the med bay.

It took over two hours to remove the paint and stains from his lower body, and repaint the area.

When Ironhide came back with the news of who had done it to him, he couldn't help but cycle his vents. Of course. Why me? Why do I even...? Shaking his head, he turned and went on organizing his med bay. Do I even bother with revenge, or do I want more pranks?? He kept his attention on his work, planning later to speak to Optimus.

Turns out he didn't need to bother.

When the femmes found out what had happened, they'd taken to subdoing and repainting the twins with chemical paints so that when they woke up, they didn't suspect anything. You see, the paint went on invisible, but when in bright lights, spots showed up, making them look...well...

"Holsteins?" Ratchet choked on laughter, as he regarded Optimus.

The battle mask was in place, and Prime began to wonder if he shouldn't make it a permanent thing. With a nod, he chuckled a little, helplessly. "So, you see, revenge has already been taken."

Oh, yes, and revenge certainly was sweet!

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Note : The invisible chemical spray is an idea from hummergrey's 'If an Autobot, do NOT do the following'.

Hope you like it.

R+R please.

Thank you.

Tenshi