Top Definition
A character in R. Kelly's second favorite role play which features a jungle-like Jurassic Park atmosphere. Guests in R. Kelly's fanstasy will experience jungle love calls and ridiculous innuendo, which is said by some listeners to be "hot."

This scenario takes a close second to R. Kelly's favorite role play, most well known as "You be the potty".

"Well, what animal in the zoo would you like to be?"

"I'll be the sexasaurus."
by lcross April 20, 2008

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A large person used for sexual pleasuring. Synonoms: Easy, Loose, Pro bono prostitute
Monica Lewinsky is a sex-asaurus.
by Bob Jefferies October 08, 2003

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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A very Sexy Dinosaur.
Most comonly found on the east side of Oahu in Kailua.
Found in it's natural habitat on the Le Jarin Acdemy.
Wears Kanye West Stunner Shades and Jonas Skinny Jeans !
Know as a plaaayer !
Student : Wooah is that a Sexasaurus ?!
Sexasaurus : What it do Baby Beu ,
Student : You got STYLE
Sexasaurus : Is that a mirror in your pocket , because i can see me in your pants .
by BabeAsMint April 18, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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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