a tween with strong concern about the environmental issues, eco justice, direct action hippie ideals or green anarchism .
parents were amazed that there little twippie's were capable of organizing a protest when there school wanted to switch to disposable cutlery in the cafeteria .
by electromagneticgroove May 24, 2010
Term used to describe the tweaker hippies that are clearly not your average hippy, nor your usual tweaker.
"I was shopping in Safeway during trimming season in Northern California, and I saw twippies everywhere."
by Greenhans33 January 15, 2015