To make a brisk sharp cracking sound, To bring the jaws briskly together, often with a clicking sound; bite, o pull apart or break with a snapping sound, adjective_ Made or done suddenly, with little or no preparation, Fastening with a snap, Informal Simple; easy, adverb_ With a snap, noun_ A sudden sharp cracking sound or the action producing such a sound, A sudden breaking, A sudden attempt to bite, snatch, or grasp