The act of buffin' the female muffin, most often in reference to a chick whose muffin you should not be buffin. Though, not always. Buffin' should have an apostrophe to signify the absence of the letter G.
Having sex and reaching climax, with a chick.
Polishing the poonanny.
Could also refer to cunnilingus.
Cannot in any way refer to sex between gay men, as they have no muffin to buff.
Can refer to lesbian sex, as they are both well-stocked.
Holy shit! I just saw two chicks neck-deep, muffin buffin' each other!
It's easy for a girl to determine you've been muffin buffin' with somebody when you give her VD for Valentine's Day.
1) having sex ; british term that is making an American debut
2) a sport popular with the geeky male population of Ashland, Oregon which consists of hitting each other with home made weaponry made out of plastic pipes, foam and duct tape. strict rules but a loose concept, fun to watch, mostly a male dominated sport.
1) yeah, i dumped my boyfriend because i found out he was boffing the girl next door.
2) on saturday, my boyfriend goes boffing with his friends. I mean the sport.