Explanation

  • To suspect that something is wrong, dishonest, or deceptive about a situation.

Origin

  • Comes from the fact that fish begins to smell unpleasant soon after being caught if not properly preserved.
  • A fishy smell became associated with something being not quite right, spoiled, or suspicious.
  • This literal sense was extended metaphorically to situations that arouse suspicion. The phrase dates back to the early 19th century.

Alternatives

Slang/Informal:

  • Seems shady
  • Somethin' ain't right
  • Gives me bad vibes
  • Seems sketchy / sus (Short for suspicious, popular online/younger slang)

Milder/Formal:

  • Appears questionable
  • Warrants further investigation
  • Raises doubts
  • Lacks credibility

Situational Appropriateness

  • Mostly informal to semi-formal.
  • In very formal settings, arouses suspicion or seems suspect might be preferred.

Misunderstanding Warnings

  • Completely figurative. Non-native speakers must understand it relates to suspicion, not a literal smell.

Examples

  • His excuse for being late smelled fishy to me.
  • The police smelled something fishy about the witness's statement.
  • When the deal seemed too good to be true, I started to smell something fishy.

Dialogue

Agent K: The suspect claims he was home alone all night.

Agent J: Hmm, but his neighbor saw someone leaving his house around midnight. I smell something fishy.

Agent K: Agreed. Let's check the security footage from the street.

Agent J: Good idea. His story doesn't add up.

Social Media Examples

  • Tweet: Got an email saying I won a lottery I never entered. Definitely smells fishy. #ScamAlert
  • Post: He changed his story three times. Anyone else smell something fishy here? 🤔 #Suspicious
  • Comment: The way they suddenly dropped the price makes me smell something fishy. What's the catch?

Response Patterns

  • Really? What makes you say that?
  • Yeah, I thought so too.
  • Maybe you're just being paranoid?
  • Let's look into it more closely.

Common Follow-up Questions/Actions

After someone says they smell something fishy:

  • One might ask What specifically seems off? or Do you have any proof?
  • Action often involves investigating further or being more cautious.

Conversation Starter

  • No. Expresses suspicion about something already under discussion.

Intonation

  • Emphasis on smell and fishy. I SMELL something FISHY.
  • Often said with a tone of suspicion or doubt.

Generation Differences

  • Well-understood across generations.

Regional Variations

  • Common in all major English-speaking regions.
Skate on thin ice