What Do You Call a Shark That Lends Money?
A predatory lender gets unmasked — and the animal the idiom was named after turns out to be the one running the desk.
The Joke
What do you call a shark that lends money at terrible interest rates?
A loan shark.
Witty's Word
A predator with a business plan so notoriously aggressive it named an entire category of villain after itself.
Explain the Joke
'Loan shark' is a well-known idiom for a lender who charges excessively high, often unfair rates. Sharks are also real ocean predators known for their aggression. The punchline lets the idiom and the literal animal merge into a single, mutually reinforcing description.
Why People Love This Joke
The joke works because the idiom and the animal were practically made for each other — by the time the listener pictures an actual shark behind a loan desk, the metaphor and the reality have fully merged.
Joke Breakdown
The setup poses a riddle about an animal with a troubling financial habit. The punchline 'a loan shark' resolves it by reusing an idiom that was always borrowed from the animal in the first place — bringing the phrase back to its most literal possible home.
When to Use This Joke
Works for finance and consumer-protection lessons, ocean-life documentaries, classroom idiom sessions, and any moment a predatory habit needs a perfectly matching animal.