big yawn . big yawn {n.} A very boring person, story or event. I love my grandma very much, but the stories she tells sure are a yawn. Categories: add yours love {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