mofo: meaning, definition, pronunciation and examples

Low in formal contexts; high in specific informal/vernacular registers (music, film, certain subcultures).
UK/ˈməʊ.fəʊ/US/ˈmoʊ.foʊ/

Very informal, vulgar, slang. Considered highly offensive in polite or professional contexts.

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Quick answer

What does “mofo” mean?

A strongly vulgar, slang term used as an intensifier or insult, often substituting for 'motherfucker'.

Audio

Pronunciation

Definition

Meaning and Definition

A strongly vulgar, slang term used as an intensifier or insult, often substituting for 'motherfucker'.

Can express extreme admiration, contempt, or intensity, depending on context and tone. Often used to refer to a formidable person or thing.

Dialectal Variation

British vs American Usage

Differences

More prevalent in American English, particularly from African-American Vernacular English (AAVE) and hip-hop culture. British usage is almost entirely through cultural import from US media.

Connotations

In the US, can carry counter-cultural or 'street' credibility. In the UK, it often sounds distinctly American.

Frequency

Rare in mainstream UK media; more common in US pop culture contexts.

Grammar

How to Use “mofo” in a Sentence

[Det] (Adj) mofoYou [are/are one crazy] mofo

Vocabulary

Collocations

strong
crazy mofobad mofobig mofotough mofoslick mofo
medium
that mofosome mofoold mofo
weak
a mofothe mofo

Examples

Examples of “mofo” in a Sentence

adjective

American English

  • He's got some mofo nerve showing up here. (acting as an attributive noun/intensifier)

Usage

Meaning in Context

Business

Almost never used. Would be considered grossly unprofessional.

Academic

Never used in formal writing. Might appear in papers analyzing slang or pop culture.

Everyday

Only in very casual, familiar settings among peers where vulgarity is acceptable.

Technical

Not applicable.

Vocabulary

Synonyms of “mofo”

Strong

motherfucker (vulgar)SOB (abbrev., vulgar)bastard (offensive)

Vocabulary

Antonyms of “mofo”

Watch out

Common Mistakes When Using “mofo”

  • Using it in formal writing or speech.
  • Overusing it, diluting its impact.
  • Assuming it's acceptable in mixed company.

FAQ

Frequently Asked Questions

No. While its base is offensive, it is often used among friends as a term of admiration or humorous emphasis, similar to 'He's a crazy good guitarist, that mofo.' Tone and context are critical.

Only if you are directly quoting someone or analyzing the word itself as a linguistic specimen. It is not suitable for standard academic prose.

Severely misjudging the social context and causing deep offense. It requires native-like intuition about register and audience. Learners are strongly advised to avoid active use.

Yes, unequivocally. It is a profane slang term derived from a highly taboo compound word and should be treated with the same caution as other severe expletives.

A strongly vulgar, slang term used as an intensifier or insult, often substituting for 'motherfucker'.

Mofo is usually very informal, vulgar, slang. considered highly offensive in polite or professional contexts. in register.

Mofo: in British English it is pronounced /ˈməʊ.fəʊ/, and in American English it is pronounced /ˈmoʊ.foʊ/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • mofo of a (noun) - e.g., 'a mofo of a problem' (an extremely difficult problem)

Learning

Memory Aids

Mnemonic

MOFO = 'My, Oh, that's Foully Offensive!' (highlights its vulgar nature).

Conceptual Metaphor

EXTREME IS VULGAR (using a taboo word intensifies the description).

Practice

Quiz

Fill in the gap
After running the marathon, my legs felt like they'd been through a of a workout. (Answer: mofo)
Multiple Choice

In which context would 'mofo' be LEAST appropriate?

Practise

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Five interactive tools to remember words, train your ear, and build vocabulary in real context — drawn from this dictionary.

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