And don't be afraid to go into detail about how well you enjoy those intimate moments. Embarrass the shit out of him. He'll get pissed, but tell him if he doesn't want the details, then call you by your proper name.
How well does it work? My stepdad had a habit of calling me a mother f**ker. I got tired of it, told him to keep his mother off of the streets. He paused and said I'd f**k anything. I replied, yeah, but I like the way she gargles before she swallows, so it kinda evens out.
He never called me a mother f**ker again