yuck-mouth 

a person who teeth and mouth are not very appealing to see or look at.

Simone has a yuck-mouth.

yuck-mouth by Ta'Von Powell April 15, 2005

yuck-mouth 

A girl / guy who has cum or 'sperm' in their mouth and then swallows it and keeps sucking.

Bitch, even though you got yuck-mouth your still suckin.
GET back to work!

yuck-mouth by mister mr. September 21, 2005

Yuck Mouth

One who does not brush their teeth.

They call him Yuck Mouth, because he don't brush.

Yuck Mouth by Qix December 7, 2003

Yuck Mouth

Stank Breath, usually missing some teeth.

'Dayum hoe yo shit is fucked UPPP. Where your teef go Yuck Mouth?'

Yuck Mouth by Dont-Be-Skurrd June 12, 2004

yuck mouth

That taste you get in your mouth when you realize that the really cool set of bagpipes you found in your grandma's bathroom closet and wrapped your lips around was in fact her vintage douche bag.

Andrew still has the yuck mouth to this day from playing grandmas bagpipes

yuck mouth by AdaMeaux March 3, 2009

yuck mouth

one that has yellow teeth and or bad breath

You need to stop chewing on those yellow crayons and start scrubbing with some Colgate yuck mouth.

yuck mouth by angel_face March 13, 2009

Yuck Mouth

Someone who is all coked up and smoking the reefer.

Man, ya freakin Yuck Mouth yo. Dezzamn

Yuck Mouth by Smeggles May 21, 2003