v. [Imitative; cf. whuff, dial. var. WHIFF (see Eng. Dial. Dict.).] intr. To make a sound as of a forcible blast of breath or wind; trans. to utter with such a sound. Also as int. imitating such a sound. Hence Whuffing vbl. sb. So Whuffle v., intr. in same sense; trans. to drive by blowing forcibiy.

1

1896.  H. G. Wells, Wheels of Chance, xix. 128. He whuffed a contemptuous laugh.

2

1904.  ‘John Oxenham,’ Giant Circumstance, ii. in Chambers’s Jrnl., 10 Dec., 21/1. One of the horses … woke up enough to whuffle the flies out of its nose with an angry snort. Ibid. (1907), Carette of Sark, 322. xxxii. The water began whuffling against the rock walls.

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1919.  J. J. Bennett, Dover Patrol, 172. ‘Whing! Whuff!’ and another muffled burst comes a minute or so later.

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