1. Anything new and trendy, that causes a 'green frenzy,' especially among the eco-celeb set: Leonardo DiCaprio, Sheryl Crow, Al Gore, Jolie/Pitt, etc.
2. Stepping onto the environmental bandwagon, trying to use buzzwords like 'sustainability' and 'eco-friendly.'
Have you tried that new chicken poop lip stuff? Totally eco chic!
Prius owners think they're so eco chic!
Heather is an eco chic, eco-chick! (Gone overboard.)