Definition (Noun) A timid, submissive, or ineffectual person, a milksop. In Context "Soft-spoken, fastidious, a bird-watcher in his off-hours, Cramp struck some as a bit of a milquetoast." Pope Brock, Charlatan: America's Most Dangerous Huckster, the Man Who Pursued Him, and the Age of Flimflam, 2008.