When a woman's vagina is so blown out that it goes from looking like and upside down triangle to a full blown square.
Yael: Was that bitch as good in the sack as you'd hoped?
Gunter: Nah, man, that bitch had a Tiananmen Square Snatch.
Gunter: Nah, man, that bitch had a Tiananmen Square Snatch.
by Divinas Commedia September 9, 2011
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