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A certain factor a person/object has that makes a man get an erection.
Dead bodies hit the boner factor for necrophiliacs...
by MetalheadRosie666 April 24, 2008
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
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2
the increase in length of your penis when you have a boner
Dude my dick is like 5 inches not including my boner factor
by say-d April 22, 2008
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