Eco describes a sub-social group of people who are passionate about the enviroment. Like any other social group Ecos are identified by their group behavior, clothing styles, and in some cases dogma or activism. Related sub-social groups are Hippies and New Agers.
Mark is totally Goth, Andy is Emo, and Chuck is Eco.
by big jimz April 30, 2009
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A girl who is smart, funny, and really chill. She loves the outdoors, but still loves her technology. You would be lucky to have her as a girlfriend. She is a beautiful girl who has a huge heart. Eco also loves animals and has a great connection with them. (Especially horses)
by Thisisarandomlyfamousperson September 28, 2017
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Typically used in online multiplayer games. Term is used to refer to the postponement of buying weapons and\or equipment for a round, in order to stockpile money for the proceeding round(s).
Counter-Strike: If a team looses the first (pistol) round they are forced to 'eco' in order to have enough money to buy AK\Colt in the 3rd or 4th round.
by J.Webb October 07, 2005
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Coming from the know Fact Eco has a big penis. Although not as big as Donalds, Eco is still well hung.

To have a Semi-hard on.

see Donald-On
"I got a rush of blood, check my Eco-On laddies. soon it will be a Donald-On."
by RocketDan September 05, 2004
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a person who is in touch with the environment or just wierd. usually hugs trees and has no friends.
by Olivia and rosie May 21, 2005
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dude we just ownt you. ECO 4 LIFE!!
by J5 September 29, 2003
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