Top definition
A gamer who typically plays games online often and behaves like a goon in them.
Ex.

player1 "DuuuuUUDe WTF hax?"

player2 "Actually this kid plays here all day."

gamergoon "Yeah you just got pwned cause your a nub thats all."

player1 "Lol I got gooned I guess."

gamergoon "Yup"
by Goondued October 16, 2011
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