Top definition
A drug that is often used cold. Crystalline in composition with a slight rocky texture. Contains small amounts of psilocybin which can also be found in Shrooms. Often used in parts of Boston. Is known to make you go slightly loopy. Especially don't take if your pregnant.
Dude 1: "Those Druid Rocks were WICKED Killah Brether."
Dude 2: " Cut out the accent and cut out taking that shit"
by BostonBrother August 15, 2011
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