Top definition
Someone who do not give a fuck. Usually from northern moore and are probably a 6 year old with no manners.

"Safe hannah kath and Larne. I'm not arsed yanno."
"I'm not arsed that Larnes a poo stain or that Hannah drinks diet coke. I'm not arsed that Katherine is a princess"
by Klhc2k17dickheaaaaad March 02, 2017
Get the mug
Get a not arsed mug for your father Bob.