I searched some Destiel related quotes on Urban Dictionary, and let's just say some of the results were a bit.... related.

Warning, this is Urban Dictionary we're talking about, so most of these are very dirty minded. And some are just dirty, so, you have been warned.

I'm your huckleberry:

A way for gun enthusiasts, NRA members and patrons of gun shows indicate who will bottom that night.

I need you:

When you can't live without someone and you wish they would feel the same way you do .

Profound bond:

a strong connection between a hunter and his angel

Chrysler Building:

A nickname for one's erect penis. Often used in cocky masculine conversation.

Solidarity:

a love for another person so intense and unyielding that it is potentially militant.

Bear:

A term used by gay men to describe a husky, large man with a lot of body hair.

Sorry:

A word commonly used to make a yelling person shut the fuck up.

Friend:

Somebody who comes to your house and eats all of your food

Twister:

A fun romp of a game played with a spinner and a mat of colored circles. Usually used as an excuse to touch the opposite sex. 

There's also a worse definition that relates, but if you want to know it, google it yourself.

Cuddle Buddy:

two people who enjoy the affection of one another. In some cases, this may lead to friends with benefits or a boyfriend/girlfriend relationship.

Buddy:

You're in the friend zone. You're screwed.

Family:

people you love and love you back, not necessarily blood or biological, but you trust them and they trust you, and they take care of you and you take care of them.