Someone who has been engaging in oral sex with an unclean, uncircumcised penis-- in other words, a very sick and dirty person.
Your disgusting! Get out of here smegma breath.
by Blue Steel January 06, 2003
Bad breath caused by the continuous huffing of uncut, unclean cock.
That cock huff-er over there sure the fuck has some kicking smegma breath.
by CATHAIL September 14, 2006
A general insult aimed at a person who's not welcome; works better when applied to males.
Check out smegma breath there, don't you guys just hate him?
by Neven Mrgan January 18, 2003