Top Definition
A place people go to get fat.
Bob: Hey, Jim, let's go to McDiddys!

Jim: I would, but I don't want to get fat!
by thangforyou July 10, 2008
5 Words related to McDiddys
short for mc donald's
Lets go to mc diddies. I'm hungry.
by TheLazyGenius December 17, 2009

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