home brew . home brew {n. phr.} A beer or other malt liquor made at home, not in a brewery. Home brew reached its greatest popularity in America during national prohibition. Categories: add yours {n. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: H Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment