Either the dog's mind, from thirst, is disordered or he has scented water.
"In Desert and Wilderness"
Henryk Sienkiewicz
As he spoke, the door of the room was suddenly opened, and a young man, with dress all disordered, and the fragment of a hat in his hand, entered.
"The Martins Of Cro' Martin, Vol. II (of II)"
Charles James Lever
For my own, I feel them disturbed and disordered.
"Hetty Wesley"
Sir Arthur Thomas Quiller-Couch