Top Definition
When a really fat chick wears a bra thats way too fucking tight and it pokes her boobs out the top, thus looking inevitably like she has four boobs.
Holy shit, that bitch has quattro-boob like nobodies business... oh well though, that just means she has huge tits
by enthusiast83 November 30, 2010

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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