bellyache . bellyache {v.} To constantly complain. Jim is always bellyaching about the amount of work he is required to do. Categories: add yours {v.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: B Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment