fack off
C1 slang inseparable intransitive
In simple words
A softer way of writing or saying a very rude expression that means 'go away' or expresses strong surprise.
Meanings
1 C1
idiomatic
slang
A euphemistic form of 'fuck off': to tell someone rudely to go away or leave you alone.
"When he kept bothering her, she finally told him to fack off."
Grammar: inseparable
2 C1
idiomatic
slang
Used as an exclamation of strong surprise or disbelief (euphemistic softening).
"'They offered me the job!' 'Fack off, really?'"
Grammar: inseparable
Usage notes
Not a standard dictionary entry. Used in informal written contexts (social media, text messages) to imply the expletive while appearing to soften it. Still considered offensive by many. Learners should avoid this expression entirely in formal or professional settings.
Forms
Base
fack off
I/you/we/they
3rd person
facks off
he/she/it
Past simple
facked off
yesterday
Past participle
facked off
have + pp
-ing form
facking off
continuous
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