- to expose, or inform; “BLOW the gaff,” to inform against a person. “‘As for that,’ says Will, ‘I could tell it well enough, if I had it, but I must not be seen anywhere among my old acquaintances, for I am BLOWN, and they will all betray me.’”—_History of Colonel Jack_, 1723. The expression would seem to have arisen from the belief that a flower might be blighted if “BLOWN upon” by a foul wind or a corrupted breath. See the condition of the flowers on a dinner-table by the time the company rise. In _America_, “to BLOW” is slang for to lie in a boasting manner, to brag or “gas” unduly.
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