yammer

verb

1. (intransitive)To complain peevishly.
2. (intransitive)To talk loudly and persistently.
3. (transitive)To repeat on and on, usually loudly or in complaint.
4. (intransitive, rare)To make an outcry; to clamor.

   “It was a ship, but a whale to the Dark Nebula’s minnow; and on its side was the Spaceship-and-Sun of the Empire. Every alarm on the ship yammered hysterically.”

5. (intransitive)to repeatedly call someone's name.

noun

1. (uncountable)The act or noise of yammering.

   “The house is just as he had imagined it would be: rubbishy furniture, a clutter of ornaments (porcelain shepherdesses, cowbells, an ostrich-feather flywhisk), the yammer of the radio, the cheeping of birds in cages, cats everywhere underfoot.”

2. (uncountable)A loud noise.

   “The ungodly scream of Jap wings in the wind, and the blood-chilling snarl and yammer of their aerial machine gun and aerial cannon fire was enough to make the very ground shake and tremble.”

3. (uncountable)One who yammers.