McGriddle noun1 •A type of breakfast sandwich sold by the international fast food restaurant chain McDonald's that typically consists of fried bacon, a scrambled egg flap, and American cheese served on two small griddlecakes made with maple flavoring.Trying to sneak a decoy within sight of a tom's roost tree can have you eating a McGriddle long before the drive-through stops serving breakfast. — 2008 formsMcGriddles