noun
lustful beast; lascivious monster
A term for a creature or person driven by intense sexual desire, often used in literary, mythological, or figurative contexts. Can carry a strong negative or condemnatory tone.
その伝説には、村を襲う淫獣が登場する。
In that legend, a lustful beast that attacks the village appears.
彼は酒に酔うと淫獣のようになる。
When he gets drunk, he becomes like a lascivious monster.