What is Knubbin?
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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
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Random Words:
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an exclamation one says when something turns from crud and gets worse and worse.
Cruddlemuffins im only 14
See crud, muffins, crap, sh..