What is the meaning of rattling?

noun

• A rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders. )
  • usage: "the death rattle"
  • synonyms: rattle, rale

verb

• Make short successive sounds.
  • synonyms: rattle
• Shake and cause to make a rattling noise.
  • synonyms: rattle

adjective

• Extraordinarily good or great; used especially as intensifiers.
  • usage: "a fantastic trip to the Orient"; "the film was fantastic"; "a howling success"; "a marvelous collection of rare books"; "had a rattling conversation about politics"; "a tremendous achievement"
  • synonyms: fantastic, grand, howling, marvelous, marvellous, terrific, tremendous, wonderful, wondrous
• Quick and energetic.
  • usage: "a brisk walk in the park"; "a lively gait"; "a merry chase"; "traveling at a rattling rate"; "a snappy pace"; "a spanking breeze"
  • synonyms: alert, brisk, lively, merry, snappy, spanking, zippy

adverb

• Used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal.
  • usage: "she was very gifted"; "he played very well"; "a really enjoyable evening"; "I'm real sorry about it"; "a rattling good yarn"
  • synonyms: very, really, real