Fuck ass. Share definition Flag An insult commonly used by individuals such as TEH LEE in reference to bitches and other cunts that are found to be annoying or in any way douchey. Hey, fuck ass, shut the hell up...bitch. Fuck ass. by bl December 7, 2004 0 0 Get merch Get the Fuck ass. mug. Buy Now — $32.95 See more merch