Erectusaurus 

When you can tell the largest person in the room has a boner

Did you see Dillon, he has a boner.
Ya he's the erectusaurus in the room right now.

Erectusaurus by SimplyOG June 2, 2016

erectosaurus 

(n) refers to the enlarged or fully engorged male reproductive organ that is designed mostly for placing in between the crack o' ya ass.

Usage:

"I got something for the crack o' ya ass. It's ERECTOSAURUS!!!"

erectosaurus by johnahn February 4, 2007

Erectasaurous 

Large undersea dinosaur that when needed, it can use it's wang as a rudder

Hardcore Example Would Go Here

Erectasaurous by GundamSeph October 13, 2004

Erectosaurus 

A dinosaur from the Jurassic period which maintains a erection for the duration of its adult life.

We were digging in the back yard and found a erectosaurus fossil.

I'm about to go erectosaurus on this bitch!

That mandingo aint got nothing on my erectosaurus

Erectosaurus by Starlordtaco August 7, 2017

erectasaurus 

a) (NOUN) = as in my cack when i go to the strip club.

b) (ADJECTIVE) = as in what (MOST) girls make a guy.

a) (NOUN) "My erectasaurus is hungry"

b) (ADJECTIVE) "She made me totally erectasaurus"

erectasaurus by Mikasaurus June 14, 2008