A fork of Rural Dictionary
Besides the obvious definition, it also means to throw something away. Such as an illegal drug or drug paraphernalia.
Guy 1: shit man the fuzz is coming crotch the weed Guy 2: alright I threw it in the ditch
Over enthusiastic "cavity search" between female prison inmates. Often used in combination with a massive fistful of butter.
Like when Denny crotched Shaz on Bad Girls innit. Savage.