Top Definition
Unexpected dissapointment. When an expected positive outcome turns out to be exceptionally negative. Refers to an awful sour tasting beer much like salad dressing, disguised as something delicious. It costs $36 a bottle, and tastes like $2 vinegar.
Last night was a real Blueberry Nightmare ....

When I finally got her pants off it was a real blueberry nightmare down there...
by ianelectro March 17, 2013

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