the fluff that gathers in your anus after a long day of sweating
dude you got bumfluff on your face
por yar mudder 11 de Junho de 2006
In gaming terms, Bumfluff would be the term used for cheaters. People who are shite and need cheats so they can win.
por Cheese 02 de Julho de 2003
Fluff from one's ass; usually blue.
"Dude, you got bumfluff on your face..."
por -Mikey G- 12 de Fevereiro de 2003