poonasaurous

something that hunts the poon. a poon predator. aka poonavore

"what the fuck is that beast?"
"man its a fuckin poonasaurous. look at him go!!"

by mark j September 15, 2003

Penisaurous-Rex

Refering to an enourmous penis.

Whoa! That guy has a penisaurous-rex.

by The Real Cullen August 9, 2006

peniosaurus rex

pen·io·saur (pen-nigh-o-s-argh'us, wre-cks-) A very large vagnivorous peninosaur of the Upper Crustaceous Period of North America, characterized by a small neck, large head and scaley skin. A vaginal intruder, the true king of the peniosaurs.

In a prehistoric times, it wasn't all that uncommon for a peniosaurus rex, to destroy a whole flock of ptwatodactyls.

by Mattie Macabre December 4, 2007

pwnasaurus rex

Referring to pwnasaur} but adding the really sweeeeet rex at the end, so ppl know whos boss.

Pibb: wow dude you totally pwned me hard!

Phatty: what can i say im a pwnasaurus rex my friend.

Pibb: ALL YOUR BASE ARE BELOGN TO US!

Phatty:I AM TEH LEET HAXXOR PWNASAURUS REX!

by [GRNREV]Phatty;) May 13, 2005

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

pervasaur

An eldery pervert. Most likely impotent but often seen flirting with baristas and waitresses.

Oh my god, this pervasaur sitting next to me on the bus just tried to grope me when the bus lurched.

by Tee Bag and Cuntry Mouse February 19, 2008