To complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually.
To kill someone or something.
To die.
To utter in a low, hoarse voice.
To make a croak.
To make its sound.
The call of a frog or toad. (see also ribbit)
A faint, harsh sound made in the throat.
The harsh call of various birds, such as the raven or corncrake, or other creatures.
To whinge, moan, complain.
To make elaborate unnatural and distorted faces as a form of amusement or in a girning competition.
To grimace; to snarl.
A vocalization similar to a cat's purring.