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A person or people who are such a goon that you have to make up a word on the spot for how much of a goon they are. A kid who told me once in gradeschool not to hurt a book.
"Don't bend the book that way, you are hurting it." Hey kid, you are a goonster.
by Samsonite219 December 06, 2008

Words related to Goonster

goon coon goon girl idiot loser obama poofboy square stupid