Beef extinguisher Share definition Flag (noun) person, place, object or idea that diminishes sexual arousal of the male genitalia Because she was voted as last year's Grade A Beef extinguisher, I wouldn't touch her with a ten-foot dick. Beef extinguisher by Billy Wastebasket November 3, 2010 0 0 Get merch Get the Beef extinguisher mug. Buy Now — $32.95 See more merch