cockasaurus-rex 

The name of an extra large penis.

He must have a cockasaurus-rex in his pants, because that's a big buldge.

cockasaurus-rex by BIGDADDYDARON October 4, 2005

T-Rex 

A glam rock band from England. Formed in 1967 broke apart in 1977 when the lead singer Marc Bolan died.

Me: T-Rex is a cool band!
Other Person: I thought you meant the dinosaur

T-Rex by Baws JCW July 19, 2009

T-rex 

When you have sex with a girl and break her arms.

Goes well with donkey punches.

I t-rexed her and then donkey punched her. It was a good night

T-rex by Broookattt May 17, 2011

hilariousaurus rex

an extremely funny dinosaur or situation.

That was so hilariousaurus rex!

hilariousaurus rex by epicawesomellama March 9, 2011

cumasaurus rex 

Positioning your arms like dinosaur while cumming on a girls face.

"Girl, he totality cumasaurus rexed on my face!"

cumasaurus rex by -DW March 10, 2014

noobasaures rex 

people who suck at all life, usually teachers because they can't do anything better

god damnit jane, your such a noobasaures rex

noobasaures rex by Methamphetamine September 24, 2005

fagosauras rex 

gayer then gay. the gayest thing or person ever

"Yo man i just watched that queer eye show"
"whats wrong with you, you fagosauras rex"

fagosauras rex by brethart February 16, 2004