11.   They banged their heads together trying to catch the ball.

12.   You can hear them screaming and banging their heads, crying that they want to go home.

13.   The poor woman freaked out completely, banging her head against the wall and screaming.

14.   I fell and banged my head on the pavement.

15.   I appealed for help but felt I was always banging my head against a wall.

16.   I wondered if I was banging my head against a brick wall.

17.   As the pain increased, he could only groan and bang his head in agony and frustration.

18.   If you hit a bump you banged your head on the top of the hatch.

19.   But Pike kept on banging his head against the floor.