pack of lies . pack of lies {n. phr.} An unbelievable story; unprovable allegations. What Al told us about his new girlfriend was nothing but a pack of lies. Categories: add yours {n. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: P Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss