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

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

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

peinasaur

someone who is male and gay, a guy who likes guys

yea he is deff. a peinasaur

by OreoDutch July 4, 2008

Pornosaurus

An old, outdated and therefore enormous computer reserved only for porn. This phenomena generally occurs because one does not wish to soil their new computer with viruses, embarrassing history, and jizz.

Hey why is the touchpad on Matt's old computer covered with like old honey or someth... oh wait... fucking pornosaurus...

by Im not giving my real fucking December 3, 2013

pianosaurus

The old pianist who has played at the hotel for forty years. Last new song he added to repertoire was in 1948, about the last time he purchased a new tuxedo.

"I thought that pianosaurus was extinct!" "Can't be! The hotel brochure says "Live Music Nightly.""

by Voltboy May 17, 2006

peenosaur

A "peenosaur" can be many things.
These include, but are not limited to:

A penis
A dinosaur with a neck and head resembling a big peen

Peenosaur peen dinosaur

by The Peenosaurus September 21, 2013