Someone who overestimates himself, believing himself to be something that he is not.
Origin: A friend of mine thinks he can "sing like a lark" but he sounds like ass.
Jonny is such a Buttlark, he cries like a baby, but he thinks he is really tough.
the white stuff that comes out of a rectum after prolonged anal sex, usually when the anal cavity is stretched and unable to close.
Man 1: Dude, there was a cheerleader in the guys locker room
Man 2: Wait what?
Man 1: Yea, she took the whole football team up the ass, she blew out and everything Man 2: *shudders* Ugh.. thanks for the mental image of buttlard man
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"