Definitions by dMervyn

mac daddy 

MAC Slang used as a form of address for a man whose name is unknown (from Scottish/Gaelic Mac', Mc' meaning "son of...").
DADDY Slang for pimp.
MAC DADDY The top of the ladder, father of the clan, head of the organization.

"The Mac Daddy of..." The ultimate best.

mac daddy by dMervyn June 25, 2005