The face perpetually plastered on Sweet Bro's face in the web comic Sweet Bro and Hella Jeff. The face has been referenced in another web comic, Homestuck.

A worthless emotioncon. Like :u and such.

Can only be used in front of y. (see example)

There is also only one in existence.

It's the Joker.

What you type into your scientific calculator when you want to recreate the famous triple breast scene from Total Recall.

Rock on, rock, anything to do with rocking.

Stands for yes/yes, used instead of y/n (yes/no) as a joke that yes is the only answer possible.

Literally, "Yes/Yes?" as opposed to "Yes/No?"

Used when saying something to someone that you already know the answer to or really want that person's answer to be Yes.