whoopin it up Share definition Flag What you tell your mom when you are about to get wasted and have a crunk ass time!!! Mom: What are you doing tonight? Child: Me and some friends are whoopin it up! whoopin it up by Jenny and Steph September 15, 2006 0 0 Get merch Get the whoopin it up mug. Buy Now — $32.95 See more merch