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

Dinosaurus-Rex

A big dinosaur that was scary and toothful.

I saw a dinosaurus rex and I nearly crapped myself

by Martin June 11, 2004

Spinosaurus

1. A member of the Dinosauria, Theropoda, noted as having elongated spines on it's back. Carnivore.

2. The idiot dinosaur that starred in Jurassic Park 3, and took the place of the tyrannosaur.

3. Any dumb moron who does things without thinking.

4. Brainless wonder.

1. Spinosaurus was found in the Upper Cretaceous in Egypt and Morocco.

2. Did that Spinosaurus just break it's neck?

3. Loser. You could have thought about that before you did it. Spino.

4. Did that Spinosaurus just walk into a tree?

by Minstelae - a 'raptor who wants to kill the JP3 s July 1, 2003

Spinosaurus Fanboy

The worst! These 12-year old fanboys believe that their fish-eating dinosaur is a god that is 70 feet long. They are usually crybabies who rage everytime they see Tyrannosaurus win. We wouldn't have these trolls if it weren't for Jurassic Park.

"T-wex dye SPINO IS THE BEST FAGS"
-Annoying ass Spinosaurus Fanboy

by WhoDatFreshBoi January 12, 2018

Penisaurus

A penisaurus is a dinosaur that is shaped like a penis, has a big penis, and acts like a penis

"You are such a fucking penisaurus, eat my shit dog"

by NiggerGid January 19, 2018

Penisaurus Erectus

A very large erect penis, resembling that of a dinosaur.

"Wow babe, you made me so hard. Look its a Penisaurus Erectus."

by Boner Johnson December 2, 2007

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