Peenasaurus

Noun

Peenasaurus comes from the root Peen meaning penis and saurus which lends to large things such as a dinosaur. A Peenasaurus is a man with a large penis.

He's not a guy... he's a Peenasaurus!

by kwt52 March 2, 2010

pedasaurus-rex

a playful nickname for a man who is dating a younger woman.

that man is such a pedasaurus-rex. he is dating a highschooler, but they are cute together.

by ailrojacko May 30, 2009

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 !!!

by DEL BOI August 18, 2006

penisaurus

the biggest wang you have ever seen.

when that penisaurus entered my vagina it tore!

by dick a lick March 21, 2009

penisaurus

Ginormous monster mainly looking like a dick

and to your left there is a penisaurus

by thatfrenchdude July 17, 2011

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.

by boomchild56 December 15, 2014

penisaurus

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

Who wants to pet my pet penisaur

by Jim May 24, 2004