A long extinct creature with a head that looked like a large female breast. The middle of the nipple carried the eyeball, it squirted poison to fight off pray out of it's seems.
Boobasaurus Rex stalks it'sprey with mighty force.
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.
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.