A “loan shark” lends money at extremely high rates, often taking advantage of people who need cash. A “pool shark” is a highly skilled pool player who may deceive opponents for money. “Swimming with sharks” means being among dangerous or exploitative people. If a show “jumps the shark,” it has become implausible or declined in quality after a once-popular turning point.
Cultural note: These metaphors accuse someone of danger or exploitation, so use them only when the context supports that judgment. “Shark bait” can be a demeaning label for a person and is included for recognition, not as a recommended description. “Jump the shark” is usually an opinion about entertainment, not an objective measure.
Keep exploringShark metaphors can warn about exploitation, describe a high-stakes setting, or criticize a show that has lost its way.
Phrase guide · 4 expressions
Explore the expressions
Original explanations and examples, created for learners. Save a card for later or hear the phrase spoken by your browser.
Money and exploitation
Recognize language that describes predatory or deceptive conduct.
a loan shark
Meaning
A lender who charges extremely high rates and may exploit borrowers.
Tone & use
Strongly negative and often associated with illegal or coercive lending; not a neutral synonym for lender.
Example
“The consumer group warned residents about an unlicensed lender whose terms resembled those of a loan shark.”
NegativeInformal / accusatory
a pool shark
Meaning
A highly skilled pool player, especially one who disguises that skill to win money.
Tone & use
Informal. “Pool” here means the cue sport, not a swimming pool.
Example
“The regulars suspected the newcomer was a pool shark after he won several games in a row.”
NeutralInformal
Risky company
Understand a metaphor for spending time among dangerous people.
swimming with sharks
Meaning
Spending time or operating in a setting with dangerous or exploitative people.
Tone & use
Figurative and cautionary. It expresses a judgment about the people or environment.
Example
“The new company entered a highly competitive market, and its founders knew they were swimming with sharks.”
NegativeInformal / idiomatic
A decline in quality
Use a pop-culture phrase for a once-successful show or idea.
jump the shark
Meaning
Reach a point when a once-popular show or idea becomes implausible or loses quality.
Tone & use
Informal pop-culture criticism. Opinions differ about exactly when—or whether—a show jumped the shark.
Example
“Some viewers thought the series jumped the shark when it abandoned its original setting.”
NegativeInformal / pop culture
Knowledge check
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Choose the expression that best fits each situation.
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1 of 3
A lender uses extremely high rates and takes advantage of borrowers in urgent need. Which term may describe that lender?