Tragically, Nancy at Excels at Nothing was exposed to hippies in their natural environment (a protest of course).
She coined a superb term to use when referring to a group of hippies.
On another note, it was determined that a group of hippies, like a murder of crows or a parliament of owls, should be referred to as a “Patchouli of Hippies”
Adaptive Curmudgeon 
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