1 definition by Ultimate popcorn

Popcorn tooth is something that happens to your teeth when you don’t brush your teeth enough and they then go all yellow and look like toffee popcorn
Gavin: ewww you have popcorn tooth

James: OMG I do shit I better learn to brush my teeth more

Gavin: yeah you dirty skunk
by Ultimate popcorn December 4, 2017
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