Definition of "done up"

"You'd better lie down for a bit. I expect you're about done up." -- "There's nowhere for me to lie down, sir," he answered, and there was in his voice a humbleness which was very distressing. -- "Don't you know anyone in the house who'll give you a shakedown? -- "No, sir."

1915, W.S. Maugham, Of Human Bondage

"By ginger, I'm glad you came along, Mudgy; I give you my word I couldn't have walked another half-mile. I'm done up, absolutely."

1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, page 65