Complete Dictionary of Dreams
by Dr. Mıchael LennoxThe real tension indicated with a jack-in-the-box is not if, but when. As you wind the spring, you absolutely know that a sudden burst of energy will result.
It is in not knowing when it will hit that anticipation builds.
The state of this toy in your dream will offer more information.
If it is unwound, there may be a desire to have more stimulation in your life in order to feel more excitement.
If it is damaged, your capacity to delay gratification or take later action may be broken.