‘To not care in the slightest’ or to not ‘give a shit
Often used by small, angry, bald men with insecurities.
‘The police don’t give a rats ass about the public’

‘As long as I’m ok I could’t give a rats ass about anyone else’

The management don’t give a rats ass about the workers
by CaptMorgan86 January 14, 2022
Get the Give a rats ass mug.
A name commonly given to people who steal jokes with terrible editing and camp within video games. Also known as an Ainjoe or Capper
Preston: “Bruh keeps stealing my jokes with his Rat-Ass, terrible ass editing too”

Dainyo: “Ah shit i found an Ainjoe in a Rat-Ass corner, campy ass mother fucker”
by April 15, 2022
Get the Rat-Ass mug.
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.
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?"
by miahh June 6, 2022
Get the Rats up my ass mug.
(1.) The act of bragging about something not at all worth bragging about. (2.) Someone who constantly brags or talks about things as if you should be jealous, when, in reality, you could really care less.
Walked into work with Lisa this morning. She was rats-assing about her weekend the whole way in.
by Cap1941 August 7, 2010
Get the Rats-Assing mug.