Top Definition
A place between heaven and hell where the great musicians of a given time period go when they die, where they are sentenced to an eternity of playing the slide whistle in grimey underground clubs.
-Dude, I wonder if Kurt Cobain is in Slide Whistle Purgatory

-Dude I was at this underground club and I could've sworn Kurt Cobain was there in slide whistle purgatory
by word=word April 01, 2010

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