a euphemism for male masturbation
usually a "quicky"

Guy:man it doesnt take that long to wash your hands, you poppin' one off?
Other guy: it's only been 2 minutes
Guy:exactly
by metrosexualbastard August 18, 2006
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To discribe masturbation or masturbation with aimed ejaculation
I twist one off to your sister last night
I twist one off on your sister last night
by Smack Noodles April 20, 2006
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She wouldn't put out, so I had to crack one off instead.
by Pecan Pie April 30, 2004
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to masturbate quickly until climax. pleasure is not always the primary reason for it.
She left her shoes her? I'm gonna go rub one off in her shoe.
by crazywhores May 2, 2003
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i was sitting in my bedroom watching countdown and decided to have one off the wrist over carol vorderman.
by bake bean head December 5, 2003
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