sack off
B1 slang separable transitive
In simple words
To decide you are not going to do something you were supposed to do.
Meanings
1 B1
idiomatic
slang
To decide not to attend or do something; to cancel or skip a commitment.
"I was going to go to the gym, but I completely sacked it off and stayed home instead."
Grammar: separable
2 B1
idiomatic
slang
To reject or dismiss a person, idea, or relationship.
"She finally sacked off her unreliable flatmate and found someone more responsible."
Grammar: separable
Usage notes
Chiefly British, informal to slang. Common among younger speakers. Can mean both cancelling a plan and dismissing a person from your attention.
Commonly used with
work gym plans meeting idea someone
Forms
Base
sack off
I/you/we/they
3rd person
sacks off
he/she/it
Past simple
sacked off
yesterday
Past participle
sacked off
have + pp
-ing form
sacking off
continuous
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