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when a guy thinks he has a boner but doesn't.
Foner boners are usually bragged about.
Also try boner
guy1: Im so hard right now.
guy2: no,dude, you just have a foner boner.
guy1: oh...
by livvvvvvv February 14, 2008

Words related to foner boner

boner banana cock condem dick ding dong fake hard penis pussy sex vagina