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.
by staypuff August 29, 2006
Get the trenchmouth mug.