croaking

To make a croak.

To utter in a low, hoarse voice.

(of a frog, toad, raven, or various other birds or animals) To make its cry.

To die.

To kill someone or something.

“He'd seen my face, so I had to croak him.”

To complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually.

The sound of something that croaks.

“the croakings of frogs from the nearby pond”