1 definition by Keller Brewer

Top Definition
When the male reproductive organ becomes erect.
guy1:dude when i was talking to Danielle i almost cracked a happy.
guy2:Haha, that would of sucked dude. To crack a happy in public is embarrassing.

Alternate names: Woody, boner, prof. stiffy, rod, ect...
#boner #penis #woody #happy #crack #crack a happy #cracked a happy
by Keller Brewer March 26, 2008
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