Skip to main content

knock one off 

To have sex or at least reach orgasm in a restricted amount of time.
When I wake up in the morning the gf and me knock one off before I go to work.
knock one off by gerf June 4, 2004

knockoneoffthewrist 

The male act of masturbation to strum one off the wrist or to plain and simply have a wank
Im just going to knock one off the wrist, wont be long boys
knockoneoffthewrist by steve March 5, 2003