He threw himself on his back in the little flat place and laughed.
Her legs swung, knocking him down, then she threw her full weight on his back.
Stepping aside, he threw himself on the man's back and forced him to his knees.
One thing is certain, whatever she throws on her back will play the scene.
He tried to struggle, and was thrown on his back.
I cannot throw the ball on my back.
A quick, strong twist, and Ernie found himself thrown flat on his back in the street.
Then he brought out the saddle, and threw it on the horse's back.
Throw the opponent on his back with arms and legs in the air.
Throwing an opponent on their back on either a desk or the floor maybe used if they are too persistent.