Top definition
(noun) a joke used to call a big boned friend with a big mouth, a boppasaurus is a creature from the late cretacious period, it is a carnivore because it always wants MEAT in its mouth, if you know what i mean
dat nigga right der is a boppasaurus
by jamar knight May 20, 2008
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The vengeful act of crapping on a lover's chest while they sleep.

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