slick as a whistle Share definition Flag sweet word used by stud muffins to describe how good they are at catching seagulls. "When I caught that seagull I was slick as a whistle... until it bit me." slick as a whistle by GMBluth January 5, 2009 0 0 Get merch Get the slick as a whistle mug. Buy Now — $32.95 See more merch
