A green-oriented yuppy (i.e., gruppy = green + yuppy). Typically, one who works and/or lives in the city and lives an eco-friendly lifestyle. Often, given to trashing mainstream "pop culture" for conspicuous consumption while lavishly consuming many eco-friendly products to demonstrate a profound lack of consumerism.
While she wasn't exactly a hipster, the rain-driven drip-system she employed to grow herbs outside her 3rd story apartment showed she was very much a gruppy.
by Oregon_Vulture December 27, 2012