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1.
N.: Environmentally conscious person who is serious about leading a healthy, natural lifestyle. Crunchy as opposed to chewy ( as in granola bars ) due to high level of commitment to reducing environmental footprint even if that means sacrificing enjoyment or taste.

Adj.: having the characteristics of a crunchy g
Man, Laurie and Larry sure went all Crunchy G after moving to Portland.
by Childe Harolde February 01, 2012