What is Mothercunter?
1.
A real fuckhead.
A harsh term of abuse.
Akin with being called a motherfucker, only with that little bit of extra 'pep'.
I hate that bloke; he's a real mothercunter.
2.
A word having the dual ability of calling its recipeient not only "incestual," but also questioning their sexual orientation, by suggesting the recipient is unable to "fuck" and must therfore "cunt" instead.
Person #1: You absoloubte mothercunter
hermaphrodite #1: *cries*
See