When one adds the correct amount of jam to toast to pure perfection.
by Soames and Trent February 14, 2014
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The damage left behind after a band jams.
After the Aerosmith concert there was a lot of jamage on the stage.
by Don McKeefery September 25, 2007
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it means, like....jams that cause damage... like, its some really heavy shit, in whatever genre you prefer...as long as
You here that new track by _____? Total jamage, brah.
by The Rogue Clone March 13, 2022
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