Adj. meaning that a person is a total noob at what he, she or other does. This usually is used when you forget how to do a simple task, like getting into a car in a video game. It comes from Tobygames when he is describing himself when he plays video games.
OMG i'm a total noobasaurus at this game... please don't burn my house down.
Person 1: "Dude, you've been playing Warcraft III for years now, and you're still a noobasaurus."
noobasaurus: "I AM NOT A NOOBASAURUS! I AM AN INCREDIBLE GAMER AND YOU'RE JUST JEALOUS OF MAD MAD SKILLS!"
Person 1: "Yeah, that's exactly what's going on. Dumbass."
A greater noob. One who sucks so much they get pwned by noobs. That one friend that every one has that sucks at all the games they play. Such a big noob he got pwned with all the dinosaurs.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.