fuck burn

Skin contusion aquired during sex, casued by friction between the skin and any part of the environment (carpet, bedding, couch material, etc..). (Scratch marks from fingernails, toenails, or teeth don't count).

I banged her on the couch so hard, I got a fuck burn on my left knee.

Fuck you burn

Gesture of conveying to another person at a burning man event; hope the event exceeds expectations, to get out of your comfort zone, and have a great time.

"Fuck you burn" (while flipping the other person off)