shopdropping n.— «Otherwise known as reverse shoplifting, shopdropping involves surreptitiously putting things in stores, rather than illegally taking them out, and the motivations vary.» —“Anarchists in the Aisles? Stores Provide a...
rowback n. a reversal (of opinion, policy, or stated fact), esp. when intended to be surreptitious. (source: Double-Tongued Dictionary)