Pregosaurus Rex

A pregnant woman who acts as if she is the first person to ever be pregnant. Quick to anger and quick to tears.

I'm going to work late rather than go home and face the wrath of Pregosaurus Rex.

by Coward in the corner August 10, 2010

penisaurous rex

a bulging bubbling penis longer than 8 inches or a dinosaur's erection.

"that collin has a penisaurous rex."

by peniswhore45 January 18, 2009

Penisaurus

N. Penisaurus - Derives from the male organ Penis, suggesting that the intended victim is a large penis (Or the derogative alternative "Cock")

Dave, you are a penisaurus.

by Carl April 2, 2005

Penisaurus

A penisaurus is a dinosaur that is shaped like a penis, has a big penis, and acts like a penis

"You are such a fucking penisaurus, eat my shit dog"

by NiggerGid January 19, 2018

Pedosaur

A pedophile from the Jurassic Period.
Lives on land but stalks near the river banks.
Preys on young dinosaur infants when they drink from the stream.
A creation of pure evil.

Do not go near that bush, child! A Pedosaur may be lurking there!

by Victim of a Pedosaur March 19, 2018

Penisaurus Erectus

A very large erect penis, resembling that of a dinosaur.

"Wow babe, you made me so hard. Look its a Penisaurus Erectus."

by Boner Johnson December 2, 2007

pianosaurus

a band that performed delightful music using simply toy instruments. alternative defn is the purple toy piano itself, the pianosaurus.

"hey bob, let's go see pianosaurus play tonight, right around the corner."
"honey, don't bang too hard on the keys or you'll break your pianosaurus."

by Regina February 17, 2004