† ˈbatie-bum, -bummilSc.Obs. An inactive helpless fellow; a useless bungler. a1550Christis Kirke Gr. 131 He muddlit thame doun lyk ony myss, He wes na baity bummil.1572A. Arbuthnot Mis. Pure Scolar, Bot thane am I comptit ane batie-bum, And all men thinks a play me till injure.