A female whose lip region is marred up by cold sores and scabs.
I have got to get some Herpecin on my lips soon. Prom is next week and I can't go with whore's mouth.
The condition where one has burned the roof of one's mouth by attempting to eat an item of food that has not yet cooled to a reasonable temperature for consumption, i.e. "before it was cool".
"I was so hungry I ate the pizza straight out of the oven and had a bad case of hipster mouth for the next day."
Having thin lips and big teeth like the actress Hillary Swank.
That girl was fine until she smiled and I saw she had Swank mouth.
When one slithers their tongue on their partner's neck; creating the sensation of a slug sliding around on their neck.
Yo, last night, that chick was giving me the crazy mouth slug.
Burping. For instance, when you eat cucumbers and immediately start burping.
Abby ate some cucumbers on her salad and the mouth gas began.
When you look at a guys mouth and He has a slight underbite with a puckered lip, and you know the way his voice is going to sound before he speaks.
Bitch, look at him he got gay mouth.
the subsequent nasty sensation left lingering in one's mouth after performing fellatio (hopefully experience by a female).
Girl 1: "After he blew it in my mouth, I had cockon-mouth for at least an hour!"
Girl 2: "Yeah, but didn't he have it in your ass right before that?"
Girl 1: "Ohhhh, right. Doh!"