also WHIFFIT, WIFFET (for noun senses only)
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1. a small, often noisy, dog ...1767 Amer. dial.
2. a small or contemptible person; an insignificant looking person;
a lazy boy ...1767 Amer. dial.
to veer, waver, fluctuate; to cause smoke, etc. to wave or fluctuate
...1896 Eng. dial.
(Note: E-WEB has the noun definition "a little whiff or puff";
E-NED notes that it is not authenticated)
Also, from: American Notes and Queries. Vol. IV, November, 1889 - April, 1890
? from whiff n. (a slight puff or gust of wind) + -et
(for definition noun 1)
From: The Congressional Globe,
Containing Sketches of the Debates and Proceedings
of the Twenty-Fifth Congress
Blair and Rives, Editors
Third Session, Volume VII, 1839
Appendix to The Congressional Globe
Speech of Mr. Duncan of Ohio