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A concoction of the words booty and muchachas meaning somebody with hella back and blessed boobage
Example 1: Dayum mama! You driving me insane with yo' BooChacha self.
Example 2: Yo, you s en this girl mane? She is BooChacha as fuuuuuuuuck
by Pimp, Mudda Fackurrrr!! January 26, 2017
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person 1: hey look its meghann!

person 2: watch out she's a boochacha

person 1: yeah boy, she'll suck your blood!

person 2: whoa dude.
by parsnippppp April 27, 2011
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