Lock Crotch Share definition Flag A Vagina that doesn't like to let a penis have its freedom. Crotch won' open, pitbull snatch. Missy gets all lock crotch on her husband. Man that bitch gotz a big ol' case of Pitbull snatch... 360 Days A Year! Lock Crotch by Desiree Markert January 2, 2009 0 0 Get merch Get the Lock Crotch mug. Buy Now — $32.95 See more merch