An environmentally-friendly reusable bag made from cloth or recycled plastic. Also known as a green bag though it can be just about any color.
Do you want your grandchildren drowning in plastic? No? Then take an eco bag or two with you whenever you shop.
by Born Blitzed August 06, 2010
1 more definition
environmentalist douchebag hipster.
"got that bagel from a dumpster? what an ecobag."
by I See You November 11, 2012