Top definition
The opposite of a boner.
by K4hmboy September 22, 2009
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2
When an otherwise enjoyable event is ruined by an unforseen negative event.
So I'm finger blasting this chick and she farts. Unboner.
by MacApedia November 11, 2010
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3
Said by WergBurg aka MrWerg aka djy1991 during his first stream on ustream after switching from livestream. His boner unbonered to help him pull out his new computer from its case.
by Shouhei July 23, 2010
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