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1.
To squirt mustard between someone's upper lip and nose while they are passed out. The final result creates the effect of a yellow mustache.
What an idiot! Ashley passed out on the couch again! Get the mustard! She's getting the worst mustard mustache yet!
by DaveyCrockett June 11, 2009

Words related to Mustard Mustache

mustache mustard mustash musterd prank