'Rattling' definitions:

Definition of 'rattling'

(from WordNet)
adverb
Used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal; "she was very gifted"; "he played very well"; "a really enjoyable evening"; "I'm real sorry about it"; "a rattling good yarn" [syn: very, really, real, rattling]
adjective
Extraordinarily good or great ; used especially as intensifiers; "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" [syn: fantastic, grand, howling(a), marvelous, marvellous, rattling(a), terrific, tremendous, wonderful, wondrous]
adjective
Quick and energetic; "a brisk walk in the park"; "a lively gait"; "a merry chase"; "traveling at a rattling rate"; "a snappy pace"; "a spanking breeze" [syn: alert, brisk, lively, merry, rattling, snappy, spanking, zippy]
noun
A rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders); "the death rattle" [syn: rattle, rattling, rale]

Definition of 'Rattling'

From: GCIDE
  • Rattle \Rat"tle\ (r[a^]t"t'l), v. i. [imp. & p. p. Rattled (-t'ld); p. pr. & vb. n. Rattling (-tl[i^]ng).] [Akin to D. ratelen, G. rasseln, AS. hr[ae]tele a rattle, in hr[ae]telwyrt rattlewort; cf. Gr. kradai`nein to swing, wave. Cf. Rail a bird.]
  • 1. To make a quick succession of sharp, inharmonious noises, as by the collision of hard and not very sonorous bodies shaken together; to clatter. [1913 Webster]
  • And the rude hail in rattling tempest forms. --Addison. [1913 Webster]
  • 'T was but the wind, Or the car rattling o'er the stony street. --Byron. [1913 Webster]
  • 2. To drive or ride briskly, so as to make a clattering; as, we rattled along for a couple of miles. [Colloq.] [1913 Webster]
  • 3. To make a clatter with the voice; to talk rapidly and idly; to clatter; -- with on or away; as, she rattled on for an hour. [Colloq.] [1913 Webster]