Top definition
The highly likely occurrence that a woman has so much beef chops that she can wrap her pussy around a building. Beefosaurs are commonly morbidly obese. They usually are found at Burger King. Their mating call frightens skinny children into becoming Beefosaurs, and invented Obese Pornography.
Mitch: Holy shit look at Lara's Beefosaur! her pussy can probably eat my car!
by your mom is a whore May 07, 2010
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