Noobersaures rex 

Dinosaur inspired variation of the word "noob" (meaning newbie). Used to refer to someone who is big, old and bad at achieving a particular task.

"Look at your grandpa trying to figure out how to use his phone. What a noobersaures rex!"

Noobersaures rex by Smogo April 11, 2016

noobasaures rex 

people who suck at all life, usually teachers because they can't do anything better

god damnit jane, your such a noobasaures rex

noobasaures rex by Methamphetamine September 24, 2005