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22.
the fluff that gathers in your anus after a long day of sweating
dude you got bumfluff on your face
by yar mudder June 11, 2006
 
23.
In gaming terms, Bumfluff would be the term used for cheaters. People who are shite and need cheats so they can win.
2/7/03 16:27:36 (+Bumfluff) Vlad \o/
2/7/03 16:28:40 (@Vlad) fo you cheating cunt
by Cheese July 02, 2003
 
24.
Fluff from one's ass; usually blue.
"Dude, you got bumfluff on your face..."
by -Mikey G- February 12, 2003