The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A feeding strategy where a predator hunts other predators who have recently fed on prey, thus eating both the prey animal and the prey's own undigested prey/food. The predator chooses prey who have fed recently, and ignores those who have not fed recently. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.