Macki doo's Share definition Flag A name made up for Mcdonalds to counter act the completely fucking retarded "Micky d's" Stephen:Hey Seth let's go get some "macki doo's" Seth:Hellz yeah I wanted some snack wraps and double cheeseburgers! Macki doo's by Seth lede January 5, 2008 Get the Macki doo's mug.