a person that stomps around while unleashing hideous farts. Queefs, while normally used to describe gases expelled from vaginas, in this case are used to describe the bastardo that think it's cool to fart openly and nastily.
K-Man: God damn you fucking queefmonger, if I smell one more stinky fart from you I will kill your unborn children with a flick of my wrist.
Jameson: You're going to give me a handjob?
K-Man: No, you fuckwad, I'm referring to the crushing blow your left testicle's about to incur if you expel your gaseous horribalus in my sector one more time.
A cunt-faced whore who likes to queef and have wild and crazy sex which leads to queefing. queef cunt
Ben: What's up queefmonger?
Susan: What does that even mean?
Ben: That you're a cunt-faced whore who likes to queef and have wild and crazy sex which leads to queefing.
Susan: That's me!
Ben: You're fat.
Susan: And stupid.