Meaning & use
jack off
Vulgar slang meaning to masturbate.
See it in a sentence
The comedian's crude bit about jacking off got scattered groans from the audience.
He admitted, embarrassed, that his roommate had walked in while he was jacking off.
A note on using this word
This is vulgar slang, appropriate only in casual or crude contexts and never in formal or professional writing.
Words with a similar meaning
masturbate
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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