hook mouth 

Facial spasm where the corner of the mouth hooks back; as if the lower lip had been caught on a fishing hook.

This occurs in response to receiving an odd or alarming piece of information.

Hook mouth is usually accompanied by reverse claw

"Did you hear about what happened to Cindy on the bus? She barfed!" *hook mouth*

hook mouth by M.A.M and S.V.B December 15, 2008

Runnin' dey mouth 

talking alot
mouth is running

"nigga'z iz wiling n runnin'dey mouth 2 da bitch'z

Runnin' dey mouth by PrOpA bO i TeLl ThEe December 18, 2004

cat shit in the mouth 

The taste in your mouth when you wake up if you neglect to brush your teeth the previous night/day. Usually occurs from a night of heavy alcohol consumption. It can also have the feel and density of overly-sweetened honey.

Drinker 1: Man I have this horrible taste in my mouth.

Drinker 2: Dude you drank a lot last night and just passed out on the couch. You've got cat shit in the mouth.

cat shit in the mouth by ajgenard September 11, 2009

sea turtle mouth 

In the popular YouTube show Good Mythical Morning Rhett and Link use the wheel of mythicality they land on a "do not google this" card if you look it up you will see many spike like teeth in the mouth of a leatherback turtle

Random guy:hey don't look up sea turtle mouth

Guy: ok I Won't

A few minutes later

Guy: ok let see what he was talking about

sea turtle mouth by Blaster80 February 3, 2018

second mouth 

see also vagina

i got hed from her second mouth dude

second mouth by angel face June 14, 2004

cat crapped in my mouth

When you wake up with the worst taste in your mouth after a night of heavy drinking and smoking.

After we were out partying all night, I woke up and that damn cat crapped in my mouth again.

cat crapped in my mouth by Jeremy Gilley December 28, 2007

shark mouth 

Shark mouth is when a girl has a scary lookin mouth that reminds you of a shark.

shark mouth is often enhanced with braces and thin lips.
appears that if your dick was inserted, it could be bitten off.

dude #1: "dang man, that girl's got a bad case of the shark mouth"

dude #2: "yeah dude, it looks like your thang would be bit CLEAN OFF"

shark mouth by skipster mcgee April 22, 2010