Top Definition
A bragging statement after you do something spectacular which is meant to be answered with dumbfounded silence.
Bruce and his beerpong partner Sally were losing 9 cups to 0. Suddenly, they proceeded to hit 10 cups in a row to steal the victory and Bruce exclaimed, "Where's your mouth?" Their opponents shook their heads and Bruce and Sally embraced.
by toolguru October 23, 2007
5 Words related to where's your mouth?

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