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a facial expression in which you make your mouth look kinda like a mustache.
"those girls are good at doing mustache mouth."
by mehbehreh April 29, 2016
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a facial expression in which you make your mouth look kinda like a mustache.
"those girls are good at doing mustache mouth."
by mehbehreh April 29, 2016
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Get a mustache mouth mug for your cat Zora.