Top Definition
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

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt