Pervasaurus

A nickname for a boy who is pervy or hits on or teases many girls in insulting ways, most specifically in math class.

Man, that pervasaurus next to me is such a douche!

by Circuedeploom May 1, 2009

pigasaurus rex

Police officer in a police car trolling.

Hey, watch out for the pigasaurus rex over there.

by cfrhoar June 16, 2010

penasourus

a very large penis-like dinosour

dude i was watching land before time and the huge t-rex was fighting with the even BIGGER PENASOURUS

by mrtacomancan24 November 8, 2009

pedosaurus

pedophiles over the age of 50

Bob Barker would be a pedosaurus.

by DelEdwardo February 25, 2015

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

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

pregasaurus

A large pregnant woman that is usually 6-8 months pregnant. Her belly is quite large at this time and is very irritable, resembling a dinosaur.

In a restaurant:
Tom: You see that pregasaurus over there?
Dan: Hell yeah! How can you miss her?
Tom: Just stay away from her or else she'll make you extinct!

by Harv2234 February 1, 2009