The act of being an asshole.
Dude, that is totally assish of you to jack off in Travis's shampoo!
by Fuzzy Walrus September 26, 2006
1 more definition
originated from its obvious brother word ass. To act in a way that would be considered rued, cruel, and inconciderate from a person who is normally known as anass.
Brandon for you to insulte me in front of my friends like that is a real assish move!
by greeksausage January 07, 2009