Clam burn
When a woman's vagina is so hairy that it gives you a brush burn on your cock or chin.
PK got clam burn from banging his boss because she had a bristle vagina.
Burning Clam
A condition that many females who attend Burning Man come back home with. Not associated with the alkalai dust of the playa or dehydration, this STD is associated with the lack of good judgment rampant at the annual event.
Violet Blue's article at SFGate.com on the popularity of STD clinics in San Francisco the week after Burning Man is further evidence of the Burning Clam theory.
Burning Clam
When you drench you partner's pubes in gasoline and light them on fire whilst fucking. Not to be confused with the burning man.
I will burning clam you.