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catfish

Someone who pretends to be a different person online, usually with stolen or AI-generated photos, to trick people into online relationships.

ˈkæt.fɪʃDocumented since 2010s2010sGen ZmainstreamCurrent861 viewsLast reviewed Jun 29, 2026+ Add a definition
💘 Relationships & Dating
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Etymology timeline

Born ~2010 · 1 year of recorded use
2010Born2026: 1 citationToday, 2026

Seen in the wild

Definitions

Global
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#1·Apr 24, 2026GlobalCasual

Someone who pretends to be a different person online, usually with stolen or AI-generated photos, to trick people into online relationships. Named after the 2010 documentary "Catfish" and its MTV spinoff. Modern catfish pass video calls with deepfake filters — verification is now its own niche skill.

"Bro they met in person and she was 20 years older than her profile. Full catfish."
Origin: From the 2010 documentary "Catfish" and its MTV spinoff show.
For parents

catfish means Someone who pretends to be a different person online, usually with stolen or AI-generated photos, to trick people into online relationships. It's mostly used in dating-app and relationship conversations. It's casual and generally safe with friends and online. It's standard online vocabulary; nothing inherently concerning about hearing it.

For ESL learners

"catfish" is slang. It means: Someone who pretends to be a different person online, usually with stolen or AI-generated photos, to trick people into online relationships. Register: casual. Use it in: casual conversation and online posts. Avoid in: formal writing and professional emails.

Cluster: lie
Heard in the wild
  • “Das ist tatsächlich in Louisiana eine übliche Fischfangtechnik. Das nennt sich Noodling. Man nervt den Catfish (Wels) so lange in seinem Versteck, bis er einem in die Hand beißt, und dann packt man ihn und zieht ihn raus.”

    — Bluesky· May 2026
  • “Hunter has been the subject of numerous popular culture references, including the Bob Dylan song "Catfish".”

  • “Catfish are a diverse group of ray-finned fish of the order Siluriformes (historically Nematognathi).”

  • “James Augustus "Catfish" Hunter (April 8, 1946 – September 9, 1999) was an American professional baseball player in Major League Baseball (MLB).”

  • “Catfish are named for their prominent barbels, which resemble a cat's whiskers, though not all catfish have prominent barbels.”

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For specific readers

catfish means Someone who pretends to be a different person online, usually with stolen or AI-generated photos, to trick people into online relationships. It's mostly used in dating-app and relationship conversations. It's casual and generally safe with friends and online. It's standard online vocabulary; nothing inherently concerning about hearing it.

Why is this section here?

Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.

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💘About Relationships & Dating slang

How people talk about dating apps, modern romance, and the situationships they swear they're over — from ghosting and breadcrumbing to soft-launching, hard-launching, and the ick.

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