Dirtbag move.
How long had this sadistic monster been waiting to pull off this prank? Minutes? Hours? Days? He must have known that his patience would pay off, as cats are simply too weak to resist the temptation of an empty plastic bag, and that his victim would eventually step right into the trap.
The grey cat was so frightened, it could be weeks before he's able to play with another empty plastic bag. Or days. At least a few minutes.
(by Jonathan Corbett)