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Acronym for 70s & 80s rock group Blue Öyster Cult. First band to use unneeded umlauts, setting the trend for metal bands for years to come. Great band. Lemmy Kilmeister of Motörhead & Hawkwind thinks they're assholes. This acronym is used way more often to describe this band than "beer o'clock" or any of the other terms listed for B.O.C.
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