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.

peniosaurus rex by Mattie Macabre December 4, 2007

Pedosaurus Rex

A Pedophile of near unreachable levels of pedophilia who like to stalk his or her prey in school changing rooms and playgrounds. They are solitary creatures who hunt alone and seek out unsuspecting children of the neighbourhood.

(A little girl walks alone through a park)
Man 1: Hey look at that little girl, she looks so sweet and innocent
Man 2: Yeah i kno.....HOLY SHIT A PEDOSAURUS REX!!! RUN LITTLE GIRL, RUN!!!!!!!!!!

Pedosaurus Rex by jimmytwinkletoes October 7, 2010

Penisaurus rex 

A beast with the world's largest 5 inch penis. It should be noted that the 5 inches is in reference to the radius of the penis. When erect, it can extend up to 15 kilometers in length.

The word "Penis-" is the latin word for "Tail" and the term "rex" is also from the latin word "king". Hence "Penis King"

Kingdom - Anamalia
Phylum - Chordata
Class - Mammalia
Order - Penisauria
Family - Penisauridae
Genus - Penisaurus

Penisaurus rex is often abbreviated to P-Rex. The P-Rex is often synonymous with the word AVBP.

The most common prey for the Penisaurus rex is the Danfag

In some cultures, the P-Rex is referred to as "Moosa, the beast with the 2.5 ton AVBP". It sometimes suffers from back problems.

The Penisaurus rex used its AVBP to crush the Danfag

Johnny is the Penisaurus rex.

Occasionally, the Penisaurus rex would suffer from Penisclerosis and would get a 28 hour erection.

When the P-Rex caught a case of Penisclerosis, it used its AVBP to smack Danfags across the face.

People worship the Penisaurus rex by repeatedly chanting "Moosa-Bhai!! Moosa-Bhai!!"

Penisaurus rex by boringtimes February 1, 2010

Penisaurous-Rex

Refering to an enourmous penis.

Whoa! That guy has a penisaurous-rex.

Penisaurous-Rex by The Real Cullen August 9, 2006

penisaurous rex

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

"that collin has a penisaurous rex."

penisaurous rex by peniswhore45 January 18, 2009

penisaurus rex 

1.An ancient entity part of a race of dinosaur known as <i>penisuclus erectamonus</i>.

2.Christopher Walken.

3.In other words, a penisaurus rex.

Dennis has claimed to have spotted the fluids of a rare penisaurus rex.

"Oh my, its so large and shapeful. Just look at its curvy features."

penisaurus rex by Typhoon G. Nguyen May 24, 2008

penisaurus rex 

the condition of a mans penis after he ejaculates

his penis is so small when it's in it's penisaurus rex mode.

penisaurus rex by boomchild56 December 15, 2014