Crotch Knocking Share definition Flag 1.To thump someone's crotch.2.To thrust your crotch in a manner that will knocks on one's door. Brahh, this St.Patrick's Day we should totally go out crotch knocking. Crotch Knocking by Dr.Mustachio January 1, 2011 0 0 Get merch Get the Crotch Knocking mug. Buy Now — $32.95 See more merch
