get a taste for something
Ich war damals wie ein wildes Tier, das Blut geleckt hatte.
At that time I was like a wild animal that had tasted blood.
Du dummes Ding hast doch nicht etwa menschliches Blut geleckt?
You stupid thing, you haven't actually tasted human blood, have you?
— Ponyo - Das große Abenteuer am Meer (2008)