fuckoff

Medium-High (within informal/vulgar contexts)
UK/ˌfʌk ˈɒf/US/ˌfʌk ˈɔːf/

Profane, vulgar, taboo. Highly informal. Often considered the most offensive and aggressive register.

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Definition

Meaning

An extremely rude and forceful command for someone to leave or go away; to depart in anger.

Can function as an exclamation of disbelief, dismissal, or extreme irritation. Also used to denote rejection of an idea or suggestion. May describe someone who is idle or avoids work ('fuck off and do nothing').

Linguistics

Semantic Notes

Primarily an imperative command. Intensifies the more neutral 'go away' with extreme hostility, contempt, or anger. Also used as a verb phrase meaning to leave in a rude or abrupt manner.

Dialectal Variation

British vs American Usage

Differences

Both share core meaning and extreme offensiveness. British usage may be more frequently heard in certain intense but non-literal exclamations (e.g., 'Fuck off!' expressing disbelief). Somewhat more likely to be used as a verb ('He fucked off to the pub') in British English.

Connotations

Universally recognized as one of the strongest possible insults/commands to depart. In both, it can signal the absolute end of a conversation or interaction.

Frequency

High frequency in very informal, confrontational, or 'laddish' speech cultures. Less frequent in public discourse due to its extreme nature.

Vocabulary

Collocations

strong
just fuck offfuck off and diefuck right offwhy don't you fuck off
medium
told him to fuck offfuck off out of here
weak
fuck off somewherefuck off for a while

Grammar

Valency Patterns

[imperative] Fuck off![verb phrase] He fucked off without a word.[exclamation] Fuck off! You're kidding me.

Vocabulary

Synonyms

Strong

piss off (vulgar)bugger off (UK vulgar)get lostsod off (UK vulgar)get the hell out

Neutral

go awayleavedepart

Weak

shooon your waybe off with you

Vocabulary

Antonyms

staycome herewelcomeremainjoin us

Phrases

Idioms & Phrases

  • Fuck off and die (intensified expression of contempt)
  • Fuck-off money (slang: enough wealth to tell anyone to leave you alone)
  • To not give a fuck-off (slang: to not care at all)

Usage

Context Usage

Business

Completely unacceptable. Would constitute gross misconduct and likely lead to immediate termination if directed at a colleague or client.

Academic

Unheard of in any formal academic context. Its use would be considered deeply unprofessional.

Everyday

Used only in the most informal, confrontational, or intimate settings where extreme language is the norm (e.g., angry arguments, among close friends using banter). Highly context-dependent and risky.

Technical

No technical usage.

Examples

By Part of Speech

verb

British English

  • He just fucked off without finishing his shift.
  • I'm going to fuck off home early today.

American English

  • They told him to fuck off the property immediately.
  • He fucked off to Vegas with all the money.

adverb

British English

  • It's fuck-off expensive in there. (slang, intensifier)
  • He ran fuck-off fast.

American English

  • The concert was fuck-off loud.
  • She's fuck-off smart, you know.

adjective

British English

  • He's a fuck-off massive truck. (slang, intensifier)
  • She gave me a fuck-off look.

American English

  • That's a fuck-off huge portion of fries.
  • He has a fuck-off attitude problem.

Examples

By CEFR Level

B2
  • In the film, the angry neighbour shouted, 'Fuck off!' at the noisy party.
  • He was so rude that I finally told him to fuck off.
C1
  • After the constant harassment, she turned around and calmly said, 'Why don't you just fuck off?'
  • The manager warned the employee that telling a customer to 'fuck off' was grounds for instant dismissal.

Learning

Memory Aids

Mnemonic

The 'F' is for FORCEFUL, the 'U' is for UNWANTED, the 'CK' is for COMPLETE KICK-OUT, and 'OFF' is the direction you want the person to go.

Conceptual Metaphor

COMMUNICATION IS PHYSICAL CONFRONTATION / DISMISSAL IS PHYSICAL REMOVAL (You are verbally pushing someone out of your space).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Direct translation to 'отъебись' (отъебаться) is similarly extremely vulgar and aggressive. Not equivalent to softer phrases like 'уходи' (go away).
  • Using the literal English phrase in Russian company can cause shock due to its global recognition as a top-tier swear.
  • Confusing it with a less severe English phrase like 'back off' or 'buzz off'.

Common Mistakes

  • Misspelling as one word: 'fuckoff' (while common in informal writing, standard is two words).
  • Using it in inappropriate social contexts due to misunderstanding its extreme force.
  • Incorrectly conjugating the verb: 'He fuck off' instead of 'He fucked off'.

Practice

Quiz

Fill in the gap
After being insulted repeatedly, Mark finally lost his temper and yelled, '!'
Multiple Choice

In which of the following contexts would 'fuck off' be LEAST likely to cause serious offense or consequences?

FAQ

Frequently Asked Questions

No, it is never acceptable in any professional setting. Its use is considered grossly unprofessional and deeply offensive, likely resulting in disciplinary action.

Extremely rarely and only within established relationships where all parties understand and use such language in a consensual, bantering manner. The risk of misinterpretation is very high.

Both are vulgar imperatives. 'Fuck off' is generally considered stronger, more aggressive, and more offensive. 'Piss off' is still very rude but may be perceived as slightly less severe in some contexts.

Its offensiveness derives from the taboo strength of the word 'fuck', combined with the aggressive, dismissive command 'off'. It represents a total rejection of the person and their presence, delivered with maximum vulgarity.