get lost . get lost {v. phr.}, {slang} Go away! — Used as a command. Get lost! I want to study. John told Bert to get lost. Compare: DROP DEAD. Categories: add yours study {slang} {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: G Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry