phat whip Share definition Flag A whip on a dirtbike that is more than 90°. Holy dumb Fuck, that nig just pulled a phat whip on that pimpin honda 50. Oh and then he fell and broke the bike, dumbass. phat whip by brandoman1 April 23, 2013 0 0 Get merch Get the phat whip mug. Buy Now — $32.95 See more merch