Crazy, out of control, nuts.

In addition to being a kind of chair, a 'rocker' is a device that controls the movement of a piece of machinery. When a machine is off its rocker, it no longer works correctly.
1) You can't walk down the street in your underwear! Are you off your rocker?

2) I'm afraid Aunt Betty is really off her rocker these days.
by VAKI5 May 11, 2005
Get the off your rocker mug.
It means acting nuts.
To be a crazy person.
Matt: Oh, I can't believe you just jumped off that 80 feet building! You must be off your rocker!
by LesleyDianna February 22, 2012
Get the Off your rocker mug.
When you are so off your rocker you're off both your rockers.
*Addressing someone sleeping Coltrane style* "You're not off your rocker. You're off your rockerS!"
by Hey,Okay September 17, 2020
Get the Off your rockers mug.