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
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
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