Synonym:
unwarp 
Now turn the light on and off a few times.
I turned my back on him and took a step or two away.
No other woman could turn him on the way she had.
I turned my back on her and went to the door.
He turned kind eyes on me and held out his arms.
He had not tried to turn his back on death.
But I didn't know he was going to turn on me.
Now the one time I really need help, you turn your back on me.
He never let any of the four get behind him, or turned his back on them.
Finally, local phone companies are beginning to turn on each other.
Phrasal Verbs