Used commonly in reference to girls who follow around and worship any guy who dons an infamous green uniform, in the hope they might receive the genetic material of such a fine male specimen. Notable groups followed by green tac include the Dallas Stars, Oregon Ducks, NY Jets (although they suck) Green Bay Packers, Boston Celtics, New College Dinosaurs.
1: I was busy trying to queue for some lunch but I just got swamped by all these girls
2: They're just greentac!
2: They're just greentac!
by jrd3190 December 19, 2012