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Knubbin (pron NUB - IN)

The bump formed in your fly while sitting down caused by your zipper. Sitting down causes looseness in the material surrounding the fly and the less flexible zipper, velcro, button, etc, forms into a funny shaped lump.
Ted: Hey look, Fred's got a boner! Haha!
Fred: Na way man, it's a knubbin
by Aceramic May 29, 2009
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May 16 Word of the Day
Abbreviation for:

I DON’T GIVE A FUCK WHAT THE CDC SAYS YOU BE WEARING YOUR MASK
Karen: The CDC says we can stop wearing maβ€”
Frank: IDGAFWTCDCSYBWYMFM !!!!!!
via giphy
by Callmemaybe69 May 14, 2021
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2
any boner less than or equal to three inches
No way I'm hooking up with that dude - I may be drunk but I need more than a Knubbin.
by Miss Skank January 28, 2016
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