This is set mid-season 6, in case you're curious. It's based on an interesting word I came across that is literally the most Destiel word ever. Seriously.

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Mamihlapinatapai

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Sam may have left college, but he still craved knowledge. It made him feel strong, in a way.

Long before the Men of Letters bunker, back when they'd just hotel-hopped all the time, it had been difficult to find something interesting to learn. Sure, he would research things about their case, but sometimes he wanted more than just the weird stuff.

As a result of this, he'd developed a few habits over time.

First, every day he read a page from an encyclopedia. Some days he picked up a real encyclopedia from a library and flipped to a random page, other days he went to the online Encyclopedia Britannica and clicked on one of their featured links.

Second, every day he learned a new word. Usually, he went on dictionary . com and learned their word of the day. If it was possible, he'd use the word during the day. Dean's reaction was always hilarious.

So one day, like any other, Sam went online to learn a few new things. Dean was outside washing his car, as they had a few hours to kill before it was time to get to work. Sam had flopped down on his motel bed, which was surprisingly comfortable, and opened up his laptop.

He went to the online Encyclopedia Britannica first, as usual. He decided on a link to a page about a British TV show called Doctor Who. The picture was of a man in a suit and trench coat (a bit like Cas, actually) standing in front of an odd-looking blue box.

Sam found out that the man was actually an alien, a Time Lord from the planet Gallifrey, and the blue box was his time machine, which was called a TARDIS (short for Time And Relative Dimensions In Space). The show had originated in the early 1960's, but broke off in the late 1980's. A movie was made a few years later, and then the show rebooted in 2005. There were a few spinoff shows as well, which Sam thought sounded just as interesting.

Finallly, having finished the article, Sam pulled up dictionary . com. He laughed when he saw the word of the day.

"Mamila… mamilapina… God that's a weird word," he muttered to himself.

The word was mamihlapinatapai. It was derived from a language of Tierra del Fuego, apparently. Sam clicked on it to read the definition.

The first definition said: a look across a table when two people are sharing an unspoken but private moment, when each knows the other understands and is in agreement with what is being expressed. An expressive and meaningful silence.

"How oddly specific," Sam remarked.

The second definition said: a look shared by two people, each wishing that the other will offer something that they both desire but are unwilling to suggest or offer themselves.

Sam thought that sounded familiar, though he wasn't sure why.

And the final definition, which was far more generalized, simply said: a situation in which all participants want something to be done, but none want to do it.

Sam looked at the pronunciation and tried to say the word again, but failed.

"Oh, well. It's not like I'm gonna use it any time soon."

He shut his laptop and left the motel room to see how Dean was doing.

He found his brother holding a hose in one hand and a sponge in the other, but Dean was too preoccupied to wash his car. Next to him was the angel, Castiel, who the Winchesters had gotten to know pretty well over the past few years. He was likely giving Dean the latest news regarding heaven, as there was a civil war going on.

Sam cocked his head to the side curiously as he noticed Dean's hand moving just slightly. His thumb was moving in front of the stream of water, as if he were about to spray someone.

But… surely, Dean wasn't about to hose down an Angel of the Lord?

Sam watched silently and, to his surprise, Dean did exactly that. He surged forward with the hose and sprayed Cas before the angel had time to get away. Dean was cracking up at the stunned look on Cas's face.

Sam shook his head in wonder. He knew the two were friends, but he would never have done that. Despite the trust he had regarding the angel, Sam was quite aware of Cas's extraordinary abilities. It wasn't that he thought Cas would smite him for doing something like that, he just figured it would really piss the angel off, which seemed like a bad idea.

Cas vanished, and Dean's smile drooped a little, but Sam saw that the angel had teleported behind Dean, a few yards away. Cas slowly picked up a bucket, which Sam guessed had soapy water in it, and tossed the contents over Dean.

Dean turned around to look at Cas, who Sam thought looked rather pleased with himself. The older hunter started laughing, and a smile even made its way onto Cas's face.

Dean began hosing himself off, suds spilling over the concrete, and Sam yelled, "Hey you two!"

Dean and Cas looked in his direction.

"You're not coming inside looking like that!"

Dean held up the hose and yelled back, "Don't tempt me! You could end up as soggy as the rest of us!"

Sam laughed and then suddenly the water was off and both Dean and Cas were dry.

Sam glanced at the angel, who shrugged, apparently not seeing his action as particularly interesting.

Dean clapped a hand on the angel's back. "Thanks, buddy."

Sam resisted the urge to roll his eyes. Those two were so odd sometimes. He doubted anyone else could get away with what Dean had just done, at least, not without getting a few bruises from the experience.

"I'm going back inside," he told the pair, and they followed him in.

Once they were back in the motel room, Cas relayed his information to Sam. He nodded along and tried to think of anything that might help the angel, but he was drawing a blank. Dean added in things a few times, which Sam found funny because he doubted Cas had planned on leaving out those details.

After a while, Dean and Cas fell into a conversation about something or another, which Sam was too distracted to pay attention too. He left to get dinner, and wondered whether Cas would still be there when he returned.

Cas, he found out about half an hour later, had decided to stay a while longer. When Sam walked back into the motel room, he found the two sitting near each other, their conversation from earlier still in full swing. Sam noticed that Cas kept looking at Dean in an odd way, and Dean kept sneaking glances as well.

Dean finally noticed Sam's presence and grinned.

"Finally! I'm starving."

Cas was staring at him with an expression Sam couldn't identify.

"I should go," Cas said quietly.

Dean's smile dropped from his face and he turned back to Cas, his eyes disappointed. "Do you have to?"

Cas nodded.

The two were looking at each other in the strangest way. Sam felt uncomfortable, almost like he was intruding on something.

Mamihlapinatapai: a look shared by two people, each wishing that the other will offer something that they both desire but are unwilling to suggest or offer themselves.

Sam's eyes widened.

"Oh my God."

Dean and Cas, who'd apparently forgotten about him for a moment, turned and stared.

"You…." Sam choked out, pointing to his brother and then the angel, "…and you….oh my God."

"What?" Dean demanded.

"Mamil…mamihlap…" Sam groaned, trying to think of how it should be pronounced. Finally, he forced the strange word from his mouth, pronouncing it as best he could, "Mamihlapinatapai."

"What the hell does that mean?"

"It's…" Sam started to say, but he couldn't finish. "Oh my God, I can't believe this. This is just… wow."

Dean stared at him.

"I'm just… never mind," Sam told his brother, realizing it wouldn't do any good to tell him what the word meant. "Just… forget it. Never mind."

Dean shook his head in bewilderment and turned back to Cas.

"Be safe."

They exchanged that look again, and Cas nodded, before vanishing from the room.

Dean turned back to Sam.

"So, about that food…?"

Sam held out Dean's dinner and Dean took it gratefully. He immediately started munching down on the burger, though Sam could tell he was still thinking about Cas.

Dean and Cas, Sam thought, amused. A hunter and an angel.

What a strange world we live in.

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