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A slang term for a vagina. Usually used in regards to what a heavier woman with an ugly face, one you can't imagine actually having sex in any way, would call her own vagina.
"What do you think Nikki calls her vagina during sex?"
"She's probably like 'Oh, yeah! Stick it in my big-girl mouth!'"
by PissedOffRoommate February 22, 2009

Words related to Big-girl mouth

cunt hole pussy roast beef curtains vagina