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to use one's face as a toilet
I flerfed all over Nick Eyer.
Steven got a lap dance from a stripper and she flerfed all over him!
by mathew longshanks March 25, 2008
The name for cotton remnants that become wedged in your anal crevasse after wearing boxer shorts, or some other sort of undergarment.
Bob: "Why are you taking so long in there? I gots to make some clay!"
Jeff: " I'll be another few minutes, my Joe Boxers left a 10-footer of flerf in my ass!"
by Gnarltar August 08, 2009