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.

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"

Penisaurus by NiggerGid January 19, 2018

Penisaurus 

Meaning a very largely,ungodly,inhumane oversized penis.

ohh myyy god! screamed the whore,your penisaurus is so huge, im gonna give you a freebee tonight

Penisaurus by Djay December 14, 2002

penisaurus 

dinasaur with a very large twanger

Hey look at the fuckin massive penisaurus's penis!!!

:: if it has short arms its a penisuarus rex !!!

penisaurus by DEL BOI August 18, 2006

penisaurus 

the biggest wang you have ever seen.

when that penisaurus entered my vagina it tore!

penisaurus by dick a lick March 21, 2009

penisaurus 

Ginormous monster mainly looking like a dick

and to your left there is a penisaurus

penisaurus by thatfrenchdude July 17, 2011

penisaurus 

Slang for penis, used by people who think there penis is larger than everyone else's

Who wants to pet my pet penisaur

penisaurus by Jim May 24, 2004