What is Gavin Boner?
1.
A gavin boner, is the build up of cloth on ones fly (trouser zip) due to the rigidity of the zip. It appears that the "fly user" has an erection, but it is a very small
Dude, look at that guy's gavin boner, it's pretruding like a whore!
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1.
(noun)
A certain type of person that exhibits the epitome of being any/all of the following: a jerk, an asshole, a douche bag, a dickhe..