1 B2 idiomatic slang
To masturbate.
"The crude joke in the movie was about a guy who spent all day jacking off instead of studying."
inseparable
jack off
B2 slang inseparable transitive/intransitive
A vulgar slang expression meaning to masturbate; less commonly, to waste time fooling around.
In plain English
touch yourself sexually; sometimes, fool around and waste time
What does "jack off" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
2 C1 idiomatic slang
To waste time by fooling around instead of doing something useful.
"Quit jacking off and help me move these boxes."
inseparable
Usage tip
Strongly vulgar and offensive in many contexts. Avoid in formal or polite speech.
Words that pair with "jack off"
Natural word combinations native speakers use most often.
in the bathroom alone all day instead of working
How to conjugate "jack off"
The five tense forms you'll use most often.
Base
jack off
I/you/we/they
3rd person
jacks off
he/she/it
Past simple
jacked off
yesterday
Past participle
jacked off
have + pp
-ing form
jacking off
continuous
Hear "jack off" in the wild
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Other ways to say "jack off"
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