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 8, 2009
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While a FLERF is a Flat Earther, pulling a FLERF is not showing up for a live debate.
Al tho we must point out that not all FLERFs don't show up for a debate.

(They will clame victory tho.. even if they have been destroyed)
Apparently SciManDan is pulling a FLERF, because he didn't show up for a life debate..
(Whas there a debate planned? 🤔)
by BrainlessSteelNL December 23, 2019
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A person who attempts to educate (or sometimes troll) people on social media who believe that the Earth is flat (see: flerf).
Brandon is an accomplished flerf herder who can debunk any flat Earth evidence.
by CallMeEOnly June 23, 2023
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1. A person that cannot understand how science works; also known as a flat earther.

2. An unbelievably stupid person, most likely named Randal, that is a closet narcissist and most likely eats babies and children.
"I had a conversation with a co-worker today, and I tried explaining that it's literally impossible to see curvature with the human eye and that's when I realized they're a flerf."
by themizzan February 4, 2023
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