sb. [Imitative; cf. flutter.] The sound of the flapping of the wings of a large bird or a flight of birds. So Whutter v., whence Whuttering ppl. a.
1831. J. Wilson, in Blackw. Mag., XXIX. 4. A sound like the whutter of wild-fowl on the feed along a mud-bank.
1870. Pall Mall Gaz., 12 Aug., 10/2. The startling of the wary cock, whose whuttering pinions will summon out of reach pack after pack of birds at which brisk shooting might have been had.