1 C1 idiomatic slang
An extremely rude imperative telling someone to go away.
"He slammed the phone down after telling the caller to f off."
f off
C1 slang intransitive
A euphemistic spelling/pronunciation of a very strong expletive used to tell someone to go away or express extreme anger.
In plain English
A very rude and offensive way of telling someone to go away or showing you are very angry.
What does "f off" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
2 C1 idiomatic slang
An expression of extreme anger, contempt, or frustration directed at a person or situation.
"When the referee made another bad call, a fan in the crowd shouted at him to f off."
Usage tip
The 'f' stands for a strong expletive. This form is used in writing and some speech to avoid spelling out the full word. It is highly offensive and should only be used with extreme caution. Not appropriate in any formal or professional context. Included here for recognition purposes for advanced ESL learners.
How to conjugate "f off"
The five tense forms you'll use most often.
Base
f off
I/you/we/they
3rd person
fs off
he/she/it
Past simple
fed off
yesterday
Past participle
fed off
have + pp
-ing form
fing off
continuous
Hear "f off" in the wild
Listen to native speakers using "f off" in real YouTube videos — click a clip to watch it on Looplines.
Keep exploring
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