sleep with . sleep with {v. phr.} To have a sexual affair with someone; have sex; copulate. It has been rumored in the office that the boss sleeps with all the girls he hires. Categories: add yours {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 Discuss