suit yourself suit yourself {v. phr.}, {informal} To do what one likes or prefers. "I don't care where you want to sleep," he said. "Suit yourself!" Categories: add yours {informal} {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: S Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment