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."
Prices shown in USD.
Log in with Facebook to save your favorite definitions
and share them with friends.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from email@example.com. We'll never spam you.