
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!"
Jeff: " I'll be another few minutes, my Joe Boxers left a 10-footer of flerf in my ass!"
by Gnarltar August 08, 2009

A person who believes that the Earth is flat.
by Tibadeau September 12, 2016

A person who believes that the earth is flat.
by Tibadeau October 10, 2016

A person who is incapable of incorporating evidence or reasoning which either falsifies the flat-earth conjecture or validates the conventional model; a flat earth believer.
I showed him photographs of the New Orleans Causeway curving over the horizon, but the flerf called them fake.
by @skeptropolis April 18, 2018

Verb, to FLERF
While a FLERF is a Flat Earther, FLERFing is a verb defined as infiltrating Flat Earther communities and planting ridiculous "evidence" using psuedoscience, woo, or scientific sounding nonsense and gibberish in an attempt to get FLERFs to believe even more ridiculous things.
While a FLERF is a Flat Earther, FLERFing is a verb defined as infiltrating Flat Earther communities and planting ridiculous "evidence" using psuedoscience, woo, or scientific sounding nonsense and gibberish in an attempt to get FLERFs to believe even more ridiculous things.
"What have you been up to?"
"Not much, just FLERFing that new Flat Earth group with a theory on avian air buoyency"
"Wow you really need a life"
"I know"
"Not much, just FLERFing that new Flat Earth group with a theory on avian air buoyency"
"Wow you really need a life"
"I know"
by Crockaroo Brumby December 30, 2018
