bobby-soxer bobby-soxer {n.} A teen-aged girl. (1940s idiom) My two daughters, age 13 and 14, are typical bobby-soxers. Categories: add yours {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: B Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment