Ok, chapter three. Once again, thanks for reviewing! I like reviews!! XD
Disclaimer: no, my attempt at owning Harry potter has failed, it's not mine, for now....Bwahaha!!
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The Slytherins woke the next morning to a nasty surprise. There was a horrid mess all over, and of course, there was no doubt of who made the mess....... the Gryffindors.
"Potter!!" Malfoy exclaimed, sitting up, and finding a sticky goo all over his bed and sheets. He added to Crabbe and Goyle, "He's going to pay for this, boys, you can bet on that." They both nodded in agreement, oblivious to the fact that there were creampuffs perched on both of their heads.

Harry and Ron exchanged identical evil grins when a disgruntled Draco entered the Great Hall at breakfast. Malfoy approached them.
"You think you're so clever. You'll pay for this. Mark my words, Potter, you'll pay. You, too, Weasley, though I don't know why I'd bother wasting my time on a muggle-lover like you." And with that, Malfoy stormed off to the Slytherin Table.
"I know that shouldn't have pleased me, but that was good." Harry grinned.
"Did you see the look on his face? It was pure gold! I wish I still had Colin's camera...." Ron agreed cheerfully.
"We have to be on our guard now, you know. They'll be trying to get revenge." Harry said practically.
"Yeah, but come on, they're Slytherin. I don't think we have that much to worry about." Ron shrugged, finished his breakfast and stood up. "I'm going off to the library. I didn't do my DADA report yet."
"Ok, catch you later." Harry nodded, as Ron left. He knew Ron's words were reassuring, but he was still worried about what Malfoy would come up with. Draco is not one to be under estimated.
~Later, in the Slytherin Common room~
Draco had a piece of parchment laid out in front of him. Crabbe and Goyle were huddling around him.
"We need something that'll leave their heads spinning. Something big, good....." Malfoy's eyes glittered maliciously, "and humiliating."
"Like what?" Goyle asked.
"Humm. I'm thinking, I'm thinking. Eureka! I think I've just came up with it!!" Draco started writing rapidly on the parchment. After a moment he finished it with a flourish, and studied his work. "I think we have it!!"
Crabbe and Goyle looked over Draco's shoulder. "Good plan!" Crabbe agreed.
"Yeah, it's brilliant!!" Goyle agreed.
"You can't read it, can you?" Malfoy asked, a little put out.
"Um, no." Goyle admitted.
"Ok then." Draco sighed, and he explained his plan.

~Later, outside of the Gryffindor Common Room, once everyone else is asleep~
Draco huddled with Crabbe and Goyle, whispering, looking around every two seconds to make sure Filch wasn't coming.
"Do you understand what we're doing?" Malfoy asked.
"Yeah." Goyle and Crabbe confirmed in unison.
"Ok, here we go." Malfoy said the Gryffindor password, which he had gotten the same way Ron had gotten the Slytherin password, and they cautiously entered the Gryffindor common room.
Malfoy frowned. "What is up with this place? It's......homey."
"Weird." Goyle agreed with a laugh.
"Well, we'd better get to work." Malfoy climbed the staircase to the Boys dormitory. "You guys stand guard."
"Right." Crabbe agreed, and he and Goyle took their positions guarding the door.
Malfoy sneaked in, and one by one, used magic to turn all of their clothes green and silver, the Slytherin house colors. Malfoy even put a special spell on them so that they wouldn't go back to their original colors, even if you tried to use a spell, for a week.
"This is brilliant." Malfoy sneered as he changed Ron's Gryffindor scarf into a Slytherin one. He even changed their ties to green and silver, but kept the Gryffindor lion. He thought it'd be more shameful that way. He went around, bed to bed, year to year, boys to girls, until every single person had been sabotaged. It was slow work, but satisfying all the same. Malfoy, Crabbe, and Goyle sneaked out of the common room and went back to the Slytherin common room.

The next morning, Harry woke up and started to get dressed. Once he was done, Ron looked over at him and laughed.
"You're wearing the wrong colors, mate."
"What?" Harry looked down at himself. "Ah!" Harry quickly took off his clothes. He opened his trunk to get out a new robe, but was shocked at the results. "They're all like it!!"
"What?" Ron rushed over to have a look. "What's going on?" He rushed to his trunk and opened it. "Mine too!!" Ron sighed. "Good one, Malfoy."
"What? Oh, you're right. Man, he got even fast."
"What will we do?"
"What do you mean?"
"We have to get him back. And fast. He's set the pace, let's get thinking."
"You want to prank him back? No way! The sensible thing to do would be to stop this now. If we get revenge, he'll want revenge, and we'll be stuck in a never-ending cycle of immaturity!!"
"So? Come on, Harry! You're starting to sound like Hermione."
"Good point. So, what do you suppose we do?"
"Find some clothes."
"What are our options?"
"Well, the Slytherin robes.." Ron added in a throwing up gesture, "our under shorts..." Ron made a look of disgust, "or, well, we go naked, but that's not REALLY an option."
"Slytherin robes." Harry nodded and put his back on.
"Eugh. I can't believe this." Ron studied himself in the mirror.
Harry and Ron walked down to the common room, where disgruntled Gryffindors stood talking about what a sick joke it was. Harry and Ron felt sort of guilty about getting the whole house involved. But it was too late now. They headed down to Breakfast.

*****
Hey! Another Chapter closer to the end. I STILL don't know what's going to happen next. Oh well, I've done good enough up 'till now. If you have any suggestions, ANY suggestions, review and tell me!! I could use some advice! LOL. Review, please!