trenchmouth 

1. Filthy, diseased, or otherwise dirty mouth

2. The actual mouth of, or just a reference to the level of disgust one should have for a prostitute or hobo's mouth

3. A dumpster dog's mouth, or a country dog's mouth after its been eating roadkill, especially if it's rabid and foaming

Razor keeps it real, he's okay with leaving a whore's trenchmouth all over his wang.

trenchmouth by staypuff August 29, 2006

Mariana Trench mouth

the condition of post-cunnilingus mouth funk

I need a breath mint before I go back to work. I've got Mariana Trench mouth.

Mariana Trench mouth by Willikin November 1, 2017

trench mouth

Terrible bad breath! The kind that is so horrible it makes others turn away when you speak to them.

Bob's trench mouth made my eyes water.

trench mouth by 9key October 18, 2004

Trench mouth

Marks on each side of your mouth from having your face buried in the "trench" of a vagina for long periods of time

By the time she got out of jail she had a bad case if trench mouth from having her face buried in cunt so long

Trench mouth by Urban cunt October 24, 2016