Meaning

noun a tool for bending

noun revelry in drinking; a merry drinking party

noun a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter

originHypotheses: * bend + -er. In sense of “heavy drinking”, originally generally “spree”, from 1846, of uncertain origin – vague contemporary sense of “something extraordinary”, connection to bend (e.g., bending elbow to drink (bend one's elbow)) or perhaps from Scottish sense of “strong drinker”. * In Britain, for about four centuries, a sixpence was known as a bender because its silver content made…

Etymology from Wiktionary, CC BY-SA 3.0