1] A female that is so dirty that, upon viewing her, one imagines her vagina contains and makes its own yogurt.

2] Nickname for Monica. That bitch is gross!
Bergies girlfriend was so nasty that all the l337 peeps named that shit yogurt cave.

person1: Oh my god i would so hit that!
person2: Ew man that shit is nasty!
person1: Fuck no dude!
person2: Man it looks like her vagina is full of yogurt!
person1: LAWL! Yogurt Cave?
person2: str8 up!
by c-dog and p_c April 22, 2006

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