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.
by benormous December 28, 2005
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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
by KevlarKev October 28, 2007
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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.
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