1) A burning sensation of the anus regardless of cause, which can be many; diarrhea from spicy foods, anal sex, etc...
2) A person who is elevated in loathesomeness to the next level beyond being a pain in the ass such that now is more of a burning rectal sensation rather than merely a simple pain.
When I had the squirts last night it was a real buttpepper.
Sally had a buttpepper and didn't shit right for a week after the football gameparty.
A term used to lightly insult others when a stupid or funny error has been done or said. Can also be used as a positive comment in regards of someones pleasant personality or personal excitement.
"That was such a dumb move, you buttnipper!"
"That was a buttnippin game dude!"
"Buttnipper U.S.A!"
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?"