Alternative forms 
1662, in sense “flutter as blown by wind”, as whiff + -le (“(frequentive)”) and (onomatopoeia) sound of wind, particularly a leaf fluttering in unsteady wind; compare whiff. Sense “something small or insignificant” is from 1680.
- Rhymes: -ɪfəl
whiffle (plural whiffles)
- A short blow or gust
- (obsolete) Something small or insignificant; a trifle.
- (obsolete) A fife or small flute.
- (Can we find and add a quotation of Douce to this entry?)
- to blow a short gust
- to waffle, talk aimlessly
- (UK) to waste time
- to travel quickly, whizz, whistle, with an accompanying wind-like sound
- (ornithology, of a bird) to descending rapidly from a height once the decision to land has been made, involving fast side-slipping first one way and then the other
Derived terms 
- “whiffle” in Douglas Harper, Online Etymology Dictionary (2001).