by NiborB524 September 23, 2016

When you are particularly stoned as fuck and you try to say "stick up your ass" but instead say "butt up your ass".
Izzy
Izzy
Izzy: "Why do British people talk like, that like they have a butt up their ass. Oh wait, I mean stick up their ass... hehehe"
by Spaghettioslover365 April 7, 2022

Punching your hand inside someone's asshole and then you open the asshole and tickle the inside.
The sensation feels like rats crawling up your ass, hence the name.
The sensation feels like rats crawling up your ass, hence the name.
Nick (you, a kinky motherfucker): "Man, Lisa just gave me rats up my ass."
Mike (your childhood friend who respects you very much, up until this information which has entered the neurons in his brain matter): "What the fuck?"
Mike (your childhood friend who respects you very much, up until this information which has entered the neurons in his brain matter): "What the fuck?"
by miahh June 6, 2022

A term that when heard should inspire a sense of OH F**K... I'M ABOUT TO DIE :), it is NOT a sexual term, and essentially means the same as "I will kick your ass, and not in a good way", if delivered with proper intimidation can immediately shut down a bad situation.
person 1: (is stuck in an enclosed space)
person two: should i help him, Person C?
person c: methinks he deserves to be stuck
person 1: If you don't help me, I'm gonna plant my foot, up your ass!
person two: should i help him, Person C?
person c: methinks he deserves to be stuck
person 1: If you don't help me, I'm gonna plant my foot, up your ass!
by abitchyyoutuber December 25, 2023

Refers to someone pretending to be gay, usually done as a joke, a bet, or for some kind of monetary gain.
Logan Paul has half a sausage up his ass.
This guy, has half a sausage up their ass. Clearly they are just acting gay to get money.
This guy, has half a sausage up their ass. Clearly they are just acting gay to get money.
by Double Wizard Potabro February 17, 2019
