Whilst moving the pool/snooker cue back and forth between your fingers when lining up for a shot, but pushing the cue too far so it hits the white ball a little by accident.
"Wait until you see this shot, it's gunna be ace..."
"Haha you just missed..."
"Aww I know, I over jizz'd."
"Haha you just missed..."
"Aww I know, I over jizz'd."
by Andy C June 19, 2006