idgafff Share definition Flag I don't give a fat flying fuck. used to show your thoughts on someones dating history. John- "I was so excited when she asked me because I had no balls to ask her" Timothy-"idgafff" idgafff by buzzedmonkey December 6, 2010 0 0 Get merch Get the idgafff mug. Buy Now — $32.95 See more merch