nose in . nose in (1) or nose into (1) {informal} Prying or pestering interest in; unwelcome interest in; impolite curiosity. He always had his nose in other people's business. Contrast: NOSE OUT OF. Categories: add yours nose {informal} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: N Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment