eco-crazy Share definition Flag Adjective. Defines a person who is so over the top with being eco-friendly, they've gone into eco-crazy territory. "Dude, I am not composting my own poop. That is eco-crazy, man." eco-crazy by aunt_frankie April 9, 2010 0 0 Get merch Get the eco-crazy mug. Buy Now — $32.95 See more merch