herpasaurus 

A very attractive person with an STD that you will still be willing to have sex with.

Nitish: "dude Jason, all these ichy red bumps I been havning are totally worth it."
Jason: "she must have been a real herpasaurus"

herpasaurus by Three amigos May 5, 2008

Derpasaurus 

One who says or does too many things that are or relate to derps. the word emphasizes how much the person derps that it theoretically amounts to the size of a dinosaur, therefore it is adequate to address the person as a "derpasaurus".

"Dude, how did you get that question wrong again? you derpasaurus".

Derpasaurus by AuntJemima46 November 23, 2010

Derpasaurus Rex 

A name coined for the dinosaur that appears at the end of the stage 'Dino Dino Jungle' in Gamecube's "Mario Kart: Double Dash!" The Derpasaurus sticks his face across the bridge as you are karting across.

Player 1: "dude, the derpasaurus rex knocked me off of the bridge!!! "

Player 2: "figures broski, he's crosseyed"

Derpasaurus Rex by Broviet Russia May 18, 2011

Humpasaurus Rex 

Your significant other with whom boom boom is made.

Hey my little Humpasaurus Rex, wanna go roll under the covers for a bit?

Humpasaurus Rex by frankyt June 10, 2010

herbasaurusrex 

a herb to the gigantic scale

my neighbor is a huge herbasaurusrex.

herbasaurusrex by elassie January 11, 2008

herpasaurous rex 

any person entirely covered in herpes from head to toe. The herpes have deformed them so much that they resemble some sort of ancient dinosaur. Though a herpasaurous rex hasn't been spotted in over 5 billion years they are believed to still have an influence on how most people get herpes today.

Did you see that hooker?
She looked like a herpasaurous rex...
maybe she was... Can't wait to tap that.

herpasaurous rex by PB & J May 9, 2008

herpasourus 

The magical creature that eats your genitals and gives you herpes without sexual intercourse

Wife: "How in the HELL did you get herpes?!?!?!"
Husband: "It Must have been the herpasourus! I swear hunny!"

herpasourus by 127001boy December 7, 2011