death rattle

noun3

1. •
   The raspy or gurgling sound sometimes made by a person while drawing in or expelling their final breaths before dying.

   • The death-rattle gurgled in the throat of his opponent; his arms fell heavily to his side. — 1840
2. •
   Activity by an entity (such as an individual, business or ideology) perceived as almost finished, especially if this activity appears weak or futile.

   • Instead, after this introductory essay, my story begins with the death rattle of the American communist movement and the birth of the New Left. — 2013
3. •
   The sound of a batsman’s stumps being broken, so called because this leads to the batsman’s dismissal.