fit to be tied . fit to be tied (2) {adv. phr.}, {substandard} Very hard. — Used for emphasis. Uncle Willie was laughing fit to be tied at the surprised look on Mother's face. Categories: add yours emphasis {adv. phr.} {substandard} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: F Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Leave my opinion