Someone who does everything, including the irrational, to be environmentally friendly. Like burning books so they don't need to cut down more trees. Walking across a forest to work so they don't need to use a car, and killing a squirrel's habitat in the process. And buying their anti-car protest placards from Wal-Mart, then drinking a Starbuck's coffee with totally unfair trade coffee shipped in diesel oil tankers 90000 miles to their little town, and then slapped with a made-in-china "fair trade" sticker so they think they're helping the environment.
Sara worked 30 hours at Mcdonald's last week so she could buy an enviro-friendly handbag from Wal-Mart! What a greentard!
a high school gang created in the 2000s by a group of italians, but it has many different races involved. they rep green, north-east, and the number 33, they originate from the town of Manteca, but is estimated to be the most popular gang by 2030, evan passing up bloods and crips.their rival gang is the purps/purpanos, and the alltanos.
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!