A person who is perpetually sending/reading text messages, such to the effect that their behavior is considered rude and/or anti-social. This term is generally used condescendingly, or at least with some degree of disdain.
"Scott sure is being a buzzkill tonight - he hasn't looked up from his Blackberry once since he got here."
"Yeah, talk about a textasaurus rex."
A Thot of the plus size stature.
A woman who has loose morals and has a huge hunger for food and sex. A Thotasourus Rex is not someone to share your bed room with she will leave grease stain and cheeto debris in your bed and your fridge empty
Damn dude Mike said he had Shandah over and she ain't up all the kidssnacks and left a funk in his bed. Man I told Mike she was a thotasourus rex.
P1 : "If you were a dinosaur, what dinosaur would you be?"
p2 : "I would be a TINTASAURUS REXX, because you have a big head and little arms and you can go rawr!!!"