the cotton mouth 

the bad breath you taste when you wake up with a hangover.

To have a dry, awful taste in the mouth that even brushing your teeth 15 times can't get rid of.

the cotton mouth by Nicole Sayer August 30, 2005

The Daytona Cottonmouth 

When friend A passes out drunk with their mouth open, friend B deposits semen in the open mouth of friend A. Friend A wakes the following morning and notices a cottony-textured subtance in his/her oral cavity.

After a long night of drinking, Fred passed out on the sofa. Russ had the urge to pleasure himself. Upon culminating to a gooey finish, Russ deposited his filth paste in Fred's mouth, giving him The Daytona Cottonmouth.

The Daytona Cottonmouth by achtunsechzig August 8, 2009

hidden like a cottonmouth in the woods 

Code name for being hung over after a night of heavy drinking; commonly used in dorms

Man 1: Where is Jack?

Man 2: He's not up yet he is probably hidden like a cottonmouth in the woods.

hidden like a cottonmouth in the woods by Jbird24 January 1, 2008