[bilge] n [prob. modif. of MF boulge, bouge leather bag, curved part--more at budget] (1513) 1: the bulging part of a cask or barrel
2. a: the part of the underwater body of a ship between the flat of the bottom and the vertical topsides b: the lowest point of a ship's inner hull
3: stale or worthless remarks or ideas
[2]bilge vi bilged ; bilg.ing (1728): to become damaged in the bilge