Australia mouth 

the condition of having an unhygienic mouth due to using your mouth to clean or pleasure ones own or other's lower regions (Down Under). Generally the Down Under Region would refer to feet or genitals or the floor. For a more specific phrase related to post-Cunnilingus mouth effect see: 'Mariana Trench mouth'

"Brush your teeth before you kiss me; you have Australia mouth." or "I'd like to give Margot Robbie Australia mouth."

Australia mouth by Willikin November 1, 2017

sick mouth 

1. When you eat a cow's asshole and don't brush your teeth the next day.

2. They way your mouth feels and the way food tastes when you are sick.

Man, this shit tastes weird. I got that sick mouth.

sick mouth by Anonoctomyous December 30, 2017

gator mouth

Looking like a gator if a gator looked like Linsey Lohan.

Lindsey Lohan has a gator mouth.

gator mouth by Gator Mouth February 14, 2018

splash mouth 

1) A trashy person with a pretty mouth that is fun to "splash" or "cum" in.
2) Some one who enjoys catching hot loads with their mouth and or face.

Jessica is just a splash mouth who cares what she likes on her pizza she's probably already full anyways.

splash mouth by Kooi Sweat May 16, 2018

Resin Mouth

The reaction of resin forming in the plaque and bacteria in the teeth and gums forming a black smelly resin like substance created by the moisture in that plaque and bacteria.

I got such gross resin mouth on that gater beug, I need a tissue to wipe my mouth.

Resin Mouth by Bwmb May 28, 2018

grout mouth 

When plaque builds up in between your teeth to the point where it looks like you have had them grouted in.

That b**** might be fine if she would brush her teeth but she just such a grout mouth, I can't f*** with her

grout mouth by Rich Crain July 17, 2018

Maglite Mouth 

When your upper and lower front teeth get knocked out by a large flash light, usually after challenging an officer’s authority.

He keeps talking all this sovereign citizen shit to cops. I give it two months before he comes back home with maglite mouth.

Maglite Mouth by Cxt_tech September 29, 2018