ratfink

Rare
UK/ˈrætfɪŋk/US/ˈrætfɪŋk/

Informal, Slang

My Flashcards

Definition

Meaning

A contemptible, disloyal, or treacherous person; an informer.

An individual who betrays friends or associates, often for personal gain or out of spite. Can also be used as a general insult for an unpleasant person.

Linguistics

Semantic Notes

Term carries strong negative emotional charge and is used pejoratively. Its usage often implies cowardice, sneakiness, and a betrayal of trust.

Dialectal Variation

British vs American Usage

Differences

The term originated and is predominantly used in American English, particularly in mid-20th century slang. It is very rare in modern British English, where terms like 'grass' or 'snitch' are more common for an informer.

Connotations

In American usage, it often evokes a specific era (1950s-60s) of youth and counterculture slang, sometimes with a slightly humorous or ironic undertone due to its dated nature.

Frequency

Much more likely to be encountered in historical contexts, pop culture references, or by older speakers in the US. Virtually absent in contemporary UK speech.

Vocabulary

Collocations

strong
dirty ratfinkfilthy ratfink
medium
called him a ratfinkthat ratfink told
weak
absolute ratfinklittle ratfinkratfink friend

Grammar

Valency Patterns

[Person X] is a ratfink.[Person X] called [Person Y] a ratfink for [action Z].Don't be such a ratfink.

Vocabulary

Synonyms

Strong

snitchstool pigeonJudasturncoat

Neutral

traitorinformer

Weak

tattletalebetrayer

Vocabulary

Antonyms

allyconfidantloyaliststalwart

Phrases

Idioms & Phrases

  • ratfink out (on someone)

Usage

Context Usage

Business

Extremely rare and unprofessional. Might be used jokingly in informal conversation about a colleague who leaked information.

Academic

Not used; would be considered non-scholarly slang.

Everyday

Rare. If used, it's typically by older generations or for humorous/ironic effect among friends.

Technical

Not applicable.

Examples

By Part of Speech

verb

British English

  • He threatened to ratfink on the whole gang to the police.

American English

  • Don't you dare ratfink me out to the teacher!

adverb

British English

  • He acted ratfinkishly, sneaking around and gathering information.

adjective

British English

  • That was a ratfink thing to do, selling us out like that.

American English

  • He pulled a real ratfink move by taking credit for my idea.

Examples

By CEFR Level

A2
  • He is not nice; he is a ratfink.
B1
  • My brother was a ratfink and told my parents about the party.
B2
  • After he ratted us out to the boss, everyone in the office considered him a complete ratfink.
C1
  • The informant, viewed as a contemptible ratfink by the organization, was later placed in a witness protection programme.

Learning

Memory Aids

Mnemonic

Think of a 'rat' (a sneaky, despised animal) combined with 'fink' (slang for an informer). A 'ratfink' is a double dose of treachery.

Conceptual Metaphor

A PERSON IS A VERMINOUS INFORMANT (drawing on the negative schemas of rats as filthy betrayers).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Not directly equivalent to 'крыса' (rat) which can mean a traitor but lacks the specific 'informer' nuance. A closer cultural equivalent might be 'стукач' (snitch) or 'предатель' (traitor), but 'ratfink' is more dated and stylistically marked.

Common Mistakes

  • Using it in formal writing.
  • Assuming it is common modern slang.
  • Spelling as two words ('rat fink'). It is typically a single compound word.

Practice

Quiz

Fill in the gap
When he revealed our secret plan to the manager, we all knew he was a .
Multiple Choice

In which context would 'ratfink' be LEAST appropriate?

FAQ

Frequently Asked Questions

It is a strong insult but is not typically classified among the most severe profanities. It is considered rude and offensive slang.

Yes, though less common. To 'ratfink (on someone)' means to inform on or betray them.

It is American slang from the 1960s, popularized by custom car designer Ed "Big Daddy" Roth, who created a grotesque cartoon rodent character named Rat Fink.

Its use is quite rare and dated. It is mostly heard in historical contexts, by older speakers, or used intentionally for a retro or humorous effect.

Explore

Related Words