EXAMPLES FROM THE WEB FOR WHIRS
It whirs and buzzes and backs and starts and whirs and buzzes over and over again.
The whirs of the insects suggested a ceaselessly active mentality.
At that moment he heard the whistle of a train, and between the whirs of the wind he heard the tinkle of the signal bell.
And now—eight years after—'Mahbin Mill hums and whirs more merrily than ever.
c.1400, Scottish, "fling, hurl," probably from Old Norse hvirfla, frequentative of hverfa "to turn" (see wharf). Cf. Danish hvirvle, Dutch wervelen, German wirbeln "to whirl." Related: Whirred; whirring.