ratsnest Share definition Flag A goofy girls hair, a doid, or you at any moment in time. You look like a RATSNEST! You have a RATSNEST on your head. RATSNEST. Also see Bunty Goat ratsnest by Mark Stoner May 16, 2006 0 0 Get merch Get the ratsnest mug. Buy Now — $32.95 See more merch