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1. (v) vicious sex act performed by decimating a nasty chick's asshole prior to bringing your wrists up to your chest mimicking a tyrannosaurus, roaring at the full capacity of your lungs and stomping the shit out of your victim, violently demonstrating the hunter's superior might over the powerless prey.
<note: it is not required that this is done to someone's mother, any female can be dinosaur your momed>
2. (adj) used to describe the astounding engine protecting qualities of Mobil 1 Extended Performance motor oil.
1. Jamie is such a slut, I dinosaur your momed her last night and she called me back!
2. ....and then there's this dinosaur your mom kind that goes for 15,000 miles!
by squirrel March 18, 2005
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