The smell of ejaculation on one's breath.
"Excuse me, I couldn't help but notice your cum breath", or , "You've been sucking cocks again havent you, you dirty cum breath!". Also a useful abuse for homophobic males. Insert animal names preceeding for even more effect, eg. "horse cum breath"
by johnny smith March 30, 2005
1 more definition
A person who sucks (ding ding) and gets ejaculate in there gob/mouth. If you kiss someone with "cumbreath" and havn't recently recieved a heady from them, BE WORRIED!
That chick at the bar i was just talking to had "cumbreath" i think i will go back and buy her a drink!
by Crozo January 22, 2006