A large, juicy, swollen vagina.

(see: phat rabbit)
I was both disgusted and intrigued by her phatbox.
by merlin608 October 10, 2006
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An obsolete music storage/playback device. Used mainly with Volkswagen and Audi original equipment stereo systems (but, it does have other uses).

Originally sold for hundreds of dollars, until demand for the unit was so low, one could be bought for around $100.

Phatbox is no longer in production.
I can't believe I bought this Phatbox. I would rather have an Ipod!
by merlin608 October 9, 2006
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Danielle has what the guys call a phatbox, they enjoy it very much.
by JustCallMeK469 April 10, 2019
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