pin money pin money {n. phr.} Extra money used for incidentals. She has a regular full-time job but she earns extra pin money by doing a lot of baby-sitting. Categories: add yours money time {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 Comment on this entry