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."
"Yeah, talk about a textasaurus rex."
by CornellHatesMe April 12, 2009