3. corrupt, &c.--literally, "rebuke," answering to the opposite prophecy of blessing (Mal 3:11), "I will rebuke the devourer." To rebuke the seed is to forbid its growing.
      your--literally, "for you"; that is, to your hurt.
      dung of . . . solemn feasts--The dung in the maw of the victims sacrificed on the feast days; the maw was the perquisite of the priests (De 18:3), which gives peculiar point to the threat here. You shall get the dung of the maw as your perquisite, instead of the maw.
      one shall take you away with it--that is, ye shall be taken away with it; it shall cleave to you wherever ye go [MOORE]. Dung shall be thrown on your faces, and ye shall be taken away as dung would be, dung-begrimed as ye shall be (1Ki 14:10; compare Jer 16:4; 22:19).

JFB.