teeth are floating 

When one has to pee really bad.

The expression: "my teeth are floating" is used. To describe that one is so full of urine it has filled up their body to the back of their throught making there teeth float in the urine.

Guy 1: My teeth are floating, but the line for the bathroom is too long.
Guy 2: Dude, just piss yourself and get it over with.
Guy 1: Nah, I'd rather pee on the Merry-Go-Round.

teeth are floating by benormous December 28, 2005

back teeth are floating 

When somebody has to pee so bad that the urine has filled their whole body all the way up to the back of the mouth and makes the back teeth float in urine

I had to piss so bad that my back teeth are floating

back teeth are floating by KevlarKev October 28, 2007

my back teeth are floating 

Rude form of, “I need to urinate.”

A man is talking to another and states, “ oh wait a minute, my back teeth are floating.” Then walks off and urinates.

my back teeth are floating by Juliet.whiskey.Tango.Foxtrot May 17, 2021