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1. eco friendly
Something that's good for the environment, like decreasing waste production, pollution, etc.
My Toyota Prius is eco friendly since it doesn't emit as much CO2 as your gas-guzzling Hummer.

I'm eco friendly because I bring my own bags when I purchase groceries instead of plastic bags. It reduces Co2 emissions and wastes in landfills.
2. eco friendly
A term used to describe someone, most notable a female, with a small waist.
"Yeah, but she's eco friendly; she's go no waist."
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