Top Definition
the term 'gim boy' originates from the expression, gay boy, an insult meaning one is stupid or infact homosexual. gim boy can be used as either an insult for a gay (forwned upon in modern society) or as an insult for someone you think is getting on your nerves.
"dude, john is such a gim boy"
by Green_Day_All_Day January 21, 2006
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