1. Of or pertaining to concentric circles, spirit emanations, and/or the circle of life.
2. Of or relating to hippies, hippie gatherings, hippie music festivals, and the use of tie-dye or shag anything.
This painting is hippitastic.
That group of people is hippitastic, they are singing Kumbaya.
Your apartment seems particularly hippitastic, what with the shag carpeting and the tie-dye shirts strewn about, and all.