1. informal animated; brisk: a rattling conversation about politics.
2. used as an intensive: "the guiltless gust of a rattling good yarn” ( anthony burgess).

1. lively, quick (speech, pace)
2. rattle (a sound made by loose objects shaking or vibrating against one another)
3. alternative form of ratline.
4. present participle of rattle.

1. making or adapted for making a rattle; hence, smart; sharp; lively in action, movement, or manners: as, a rattling rider; rattling pace; a rattling game; a rattling girl.
2. bewilderingly large or conspicuous: as, rattling stakes or bets.
3. extremely; ‘stunning’: as, a rattling good speech.
4. the act of making a rattle, clatter, or continuous jarring noise.
5. the act of berating or railing at or otherwise assailing or attacking: as, to give one a rattling.
6. A corruption of ratline.

1. used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal
2. a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)
3. quick and energetic
4. extraordinarily good or great ; used especially as intensifiers