Top Definition
The act of fucking a girl on the dirt ground of the woods behind her house, then dropping a small boulder on her head and telling her parents she went extinct due to a meteor.
I didn't want to go through the hassle of dumping Jill, so i just had dinosaur sex with her instead.
by Barnaby J. July 10, 2008
When people mount on each other to have sex,just like dinosaurs.
Justin:Did you see angelina having dinosaur sex with bob?!?!
Deandre:wow!Why would angelina fuck a {fuck boy} like him?
Justin:I think he {low sweep}ed her!!!
Deandre:that explains alot!!!!!!!
by mwiz March 02, 2015
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