1. Someone who's texts while walking,and constantly bumps into stuff not noticing any surroundings until the text is sent.
2. Someone who texts while driving, going about 5-10 miles an hour down a 40 m/h road.
Micheal was texting his girlfriend while walking and ran into a bush, and kept walking, he is such a text zombie!
Steve was texting his mom while driving and went 10 miles an hour what a text zombie!