1. The act or process of smoking a cigarette.
2. To smoke a 'fag' or cigarette.
I enjoyed a quick fagburn outside while waiting for the others.
A burn created from a lit cigarette being put out.
Jimmy, last night you went and left me a fag burn on my shirt!!
A burn mark created by a lit cigarette (fag).
WTF!! You left a fagburn on my new sofa.
When a straight/bi male encounters another straight/bi male during an orgy and he quickly decides to ignore the encounter by initiating butt sex with a neighboring woman participant.
That was a great fagburn we got ourselves into earlier.
When gay men have anal sex too fast without sufficient lubrication, the resulting rugburn-like rash on either male is known as fagburn.
"Why's Jakob walking all wierd like that?"
"I heard Leroy gave him fagburn."
When gay dudes have buttsex too fast without enough lube and one of them gets like rugburn but in the butt.
Dude I heard that Ryan and Clyde had buttsex so hard that ryan has some serious fag burn.