blow upon

verb3

1. •
   To take the bloom or freshness off something.
2. •
   To defame, discredit; make someone the subject of a scandal.

   • 'I'm afraid,' said the Jew, 'that he may say something which will get us into trouble.' 'That's very likely,' returned Sikes with a malicious grin. 'You're blowed upon, Fagin.' — 1838
3. •
   (informal, old-fashioned) To inform against.

   • How far the very custom of hearing anything spouted withers and blows upon a fine passage, may be seen in those speeches from [Shakespeare's] Henry V. which are current in the mouths of schoolboys. — 1811