Gack Mouth 

The term used to describe the dry state of one's mouth from the intense lack of saliva. It can cause the lips to stick to the teeth and gums, and is often caused by smoking cannabis.

I have Gack Mouth. My mouth is Gacky.

Gack Mouth by Tom Linds April 5, 2008

Guckmouth

1.A person(s) who speaks with;

a) A thick southern American accent that is closer to gibberish than an actual language

b) a lack of empathy towards persons of color, or alternative lifestyles; bigots.

c) willful ignorance.

1. That Guckmouth said.. Something..

2. I mean billy is a nice guy and all, but he's a bit of a Guckmouth.

3. MAGA!

Guckmouth by DonaldstenFinklesburg May 16, 2018