Knubbin

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

Knubbin

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 29, 2016