E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Blown upon.
Made the subject of a scandal. His reputation has been blown upon, means has been the subject of talk wherein something derogatory was hinted at or even asserted. Blown upon by the breath of slander.
1
Blown, meaning stale, tainted, is probably the same as the above; but blown upon cannot be.