irdgafs Share definition Flag An acronym for "I really don't give a fucking shit". Person 1 "Dude! I just got laid by this chick" Person 2 "Irdgafs" irdgafs by Ariecos July 20, 2010 0 0 Get merch Get the irdgafs mug. Buy Now — $32.95 See more merch