shirty

Of course, if she had been plain, he reflected gravely, one could understand her being so shirty.

It is most welcome, as the pater only sent ten bob, being shirty about my report; and the mater another.

I called out loudly and angrily, 'Shirty, don't shoot him in the back!'

Shirty was n't there, but I had him covered when he turned back, red hot at having been deceived.