lopsaur 

loser/poser transformed into a dinosaur.

Ok BOD, stop being such a lopsaur

lopsaur by BRITTANY BURKE September 29, 2005

Lolsaurus Rex 

An ancient giant hilarity that still stalks the earth today.

Friend 1: I just got pelted in the face with a sandal.

Friend 2: hahahaha!!!! Lolsaurus Rex!

Lolsaurus Rex by smartboy369 May 4, 2007

LOPASAURUS 

Lop to rule all lops. Master of being socially inept. So severely stupid and or morally blind you question if they have a back bone or how they have managed to make it to work and back safely.

Damn bro, you let your "wife to be" tell your mom to "get a new dress or get out of the wedding"?! I can't believe you didn't stand up for your own mother dude... She gave you life! You're not just a lop man, youre a fuckin lopasaurus!

LOPASAURUS by Razosupra August 27, 2019

Loposaurus

An old ass dumbass - derivative of the word Lop, referring to an older person whos intelligence is significantly too "jurassic" to adapt modernized discussions.

"haha that loposaurus still thinks the word gay is offensive"

Loposaurus by Thyartisnick April 15, 2020

Lopasaurus 

To be a lop (prefix) one who hangs loosely or limply; to droop, combines with saurus, forming genus names of reptiles. Lizards are known to be fairly sluggish in nature. A very lazy and sluggish person.

I have been a lopasaurus lately, hella fat and just been lazy.

Lopasaurus by Bobochino June 25, 2020

Loposaurus REX

A person who's brain function is well below the average of normal due to slow learning capabilities and lacking attention span.

Dude why did you move the furniture back inside the house and why is it covered in plastic?? I told you we were painting the house today and to make sure all furniture was moved and covered. That's why we moved most of the furniture outside yesterday you loposaurus Rex

Loposaurus REX by Rcamacho87 October 18, 2025