blow upon

'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.'

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.