1 definition by Wo Wogan

Top Definition
1. To masturbate
2. Alternative word for Nothing
3. On Your Own (An abbreviated form of "Jack Jones")
1. "Come on, who doesn't feel the urge to Jack one off when you see her on the telly?"
2. "I've done Jack all day"
3. "I'm on my Jack at the moment"
by Wo Wogan March 26, 2004

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