The musty scent on the breath of one who recently sucked cock.
Shit dude, I can smell your boner breath from way over here!

Yes, I'm listening...keep talking...you have boner breath...Tic-Tac?
by blake January 28, 2004
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The unbarable stale stench on a girls breath after she is done sucking your dong and hairy man balls.
Dale- Fuck no I'm not going to kiss you until you brush your fuckin teeth!

Sally- why not?

Dale- because you just got done bobbing my knob and now you got Boner Breath!!!!!
by P-mohr September 28, 2005
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Someone who's breath smells like dick, someone who forgot to swallow. (giving head)
"Jesus Kevin you have a bad case of boner breathe. Who's dick you been sucking?"
by eizabeth richardson December 30, 2016
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