The effect that makes everything taste disgusting after you brush your teeth.
Augh! This orange juice tastes horrible, thanks to that gosh-darned toothpaste hangover!
by Nick Andopolis June 14, 2011
The effect on you after you brush your teeth, and food and drinks taste disgusting.
Can we eat as soon as my toothpaste hangover goes away?
by D. Rodriguez July 02, 2011