1, He socked his opponent on the jaw.

2, The boxer's jaw went slack.

3, The pain in her jaw had come back.

4, A toothache racked my jaw.

5, A muscle in his jaw pulsed angrily.

6, He had a firm, square jaw.

7, He has a strong square jaw.

8, He punched him on the jaw.

9, His jaw was tightly clenched.

10, His jaw was clenched tight.

11, My fist glanced off his jaw.

12, He thought for a moment[sentencedict.com], stroking his well-defined jaw.

13, His jaw jutted stubbornly forward; he would not be denied.

14, People say that a strong square jaw is a sign of firm.

15, Her jaw was set, ready for a fight.

16, He hit me square on the jaw.

17, He hit him flush on the jaw.

18, The lower jaw is movable.

19, He jutted his chin/jaw defiantly.

20, I gave him a smack on the jaw.

21, 'You're not serious,[http://sentencedict.com/jaw.html] are you?' Ellen's jaw dropped.

22, She punched him square on the jaw.

23, He socked the policeman on the jaw/in the eye.

24, He set his jaw in a determined fashion.

25, The dentist took an X-ray of my jaw.

26, Give him a sock on the jaw!

27, Jack caught him a glancing blow on the jaw.

28, His jaw was clenched shut.

29, Her jaw was set in a determined manner.

30, He was being cheeky, so I gave him a smack on the jaw.