adjective, shirt·i·er, shirt·i·est. Informal.
Examples from the Web for shirty
That's really how it was when I saw you going off with that creature; but of course I was an ass to get shirty about it.The Hall and the Grange|Archibald Marshall
I called out loudly and angrily, 'Shirty, don't shoot him in the back!'
Of course, if she had been plain, he reflected gravely, one could understand her being so shirty.Happy House|Betsey Riddle, Freifrau von Hutten zum Stolzenberg
But don't tell me that when he saw how shirty she was about it, the chump didn't back down?Right Ho, Jeeves|P. G. Wodehouse
Shirty was n't there, but I had him covered when he turned back, red hot at having been deceived.