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A mouth that is wide open.
Person 1:"lolemo"

Person 2:*mouth gaping*

GAPING MOUTH YEEEEEEEEEEEEEEEEEEEEEEEEA
by Waed Flup June 17, 2006
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2
an act of opening your mouth in surprise /an involuntary act of shock .
kind of like yawning but not
"mom had a gaping mouth when i told her i didn't want an arranged marriage"
via giphy
by skitttlessuck101 May 10, 2018
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