Fake Abs Share definition Flag A guy who has a 6 pack only because he is super skinny, not because he actually works out. "Oh my god, have you seen his abs?" "Hun, those aren't abs, they're fake abs, he's just too skinny" Fake Abs by jdub496 May 21, 2009 0 0 Get merch Get the Fake Abs mug. Buy Now — $32.95 See more merch