A person (generally female) who's constant propensity to be a bitch is exasperated by the fact that she is morbidly obese. The massive proportion of both her cuntiness and adipose tissue warrant the title. A Jaba the Cunt's life is both defined and punctuated by the fact that she's nothing more than a fat, egocentric, boorish bitch.
Boy: Man, Paula is such a fat fucking bitch. Stupid cunt thinks she knows and owns everything.

Girl: Yeah! She's got more rolls than a pastry shop, she's a total Jaba the Cunt!
by WordSmithMacs April 13, 2016
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