a crazy kid
mcbum, your crazy
by d k August 18, 2003
Top Definition
Someone who spends way too much time at McDonald's, and not even to eat anything.
"She's turning into a real McBum because of that sexy waiter."

"My little brother can spend hours at McDonald's just staring at the Happy Meal toys on display. He's such a McBum."
by Hassan & Fei-Yen December 13, 2012

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