blow on

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blow on (something)

To expel air onto something. Hey, that coffee's piping hot, so blow on it before you drink it. The vent has been blowing on me all morning—I'm freezing! I blew on the dice for good luck.
See also: blow, on

blow on something

to force air across something especially with a puff of breath. Jill blew on the hot soup. Blow on the fire to make it burn hotter.
See also: blow, on
References in classic literature ?
I don't want to blow on nobody; and I ain't got no time to blow, nohow.
Several minutes later he emerged with the missing couple--Bert bleeding from a blow on the ear, but hilarious, and Mary rumpled and hysterical.
The blow fell; the mare staggered, sank back, tried to pull, but the bar fell again with a swinging blow on her back and she fell on the ground like a log.