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A youth or underage drinker who drinks cheap cask wine.

Goon Boy - "Hey Tom were GOON BOYS! everyone is full on lookin at us they reckon we're cool"

Crowd - "Pfft underages and their cask wine, faggots."
by bdizzy December 29, 2007
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A little try hard skateboarder that poses all day while drinking Goon cask wine.
Look at those little goon boys. Go eat some nob you fags.
by Brendan Roche March 08, 2005
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