Top Definition
In the NYC gay scene (no doubt elsewhere, as well) of the 1960-70s a "blue oyster" was the head of a very aroused penis, especially one that had been teased in various ways without orgasm for a long time. The glans takes on a cyanotic blue cast, probably do to the prolonged erection.
My girlfriend sure loves to eat blue oysters in cream-sauce.
by disturbus July 10, 2008

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gay, fag, poof, batty boy, homosexual, ass bandit
Named after the gay club in police academy. "That BlueOyster shagged my brother"
by Fun_B April 29, 2003

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A Blue Oyster is a cocktail. Take a shot (or two, depending on tolerance) of WAVE Blue Raspberry vodka and mix it with a can of Mountain Dew White Out. It goes best while listening to Blue Oyster Cult. It has a baby blue color and is very sweet.
We spent New Year's eve drinking Blue Oysters while listening to Don't Fear the Reaper and Cities on Flame with Rock and Roll.
by yokosou punk January 01, 2015

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a dank strain of marijuana.
Dude, I got so baked off that blue oyster.
by stoned. August 01, 2011

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