Green’s Dictionary of Slang

1. exhausted, worn out, beaten; often as jiggered up; phr. I’m jiggered, unperinned by semi-euph. substitute for damned adj. (1)

1846		Sherborne Mercury 31 Jan. 2/5: ‘I say, Bill, look at that ’ere thin ’un. I’m jigger’d if he isn’t in training to go down a gas pipe’.
1852		Living Age 24 Apr. 167/2: I ’m jiggered if he did n’t out with a brace of old brass-mounted ship’s pistols, and fire them.
1860		R. Nicholson Rogue’s Progress (1966) 112: I’m jiggered if you ain’t the unluckiest beggar I ever met with.
1867		W.H. Smyth Sailor’s Word-Bk (1991) 412: Jiggered-up. Done up; tired out.
1883		W.C. Russell Sailors’ Lang. 75: Jiggered — Jiggered up, I’m used up.
1884		Leicester Chron. 21 June 12/1: Well, I ’m jiggered!
1887		Sevenoaks Chron. 23 Sept. 3/2: I was also on the bloomin’ spot; and may I be jiggered if he wasn’t brought there in a cab.
1891		Bird o’ Freedom (Sydney) 4 Apr. 5/1: Age Last Birday [...] Flossie Fewclothes See you jiggered first.
1899		J. Flynt Tramping with Tramps 394: JIGGERED: done, beaten.
1922		Joyce Ulysses 405: Gum, I’m jiggered.
1955		F.B. Vickers Mirage (1958) 227: I don’t know nothing about ’em [trucks] I can start her and steer her. But when she stops I’m jiggered up.
1969		B. Mason Awatea (1978) 109: Rusty motor-mowers, jiggered rotary hoes, useless vacuum cleaners.
1983		(con. 1940s) D. Nobbs Second From Last in the Sack Race 87: I can’t. I’m fair jiggered up.
1999		K. Sampson Powder 404: Absolutely jiggered from the flight and the non-stop partying, Billy let himself in with the key James had slipped him.

2. drunk.

1901		Manchester Courier 6 July 12/1: An American paper gives a list of 200 ways of describing when a man is intoxicated. [...] he is jiggered.
1906		Salt Lake City (UT) 30 Mar. 4/5: He is [...] jiggered [...] be-argered.
1923		in Partridge Sl. To-Day and Yesterday (1970) 313: Terms for ‘intoxicated’ [...] jiggered.
1931		A. Hardin ‘Volstead English’ in AS VII:2 88: Terms referring to the state of intoxication: [...] Verbs: Jiggered.
c.1940–5		‘Myles na gCopaleen’ Best of Myles (1968) 210: What are some people if they will do what you ask? Jiggered.
1957		(con. 1943) A. Myrer Big War 125: Highball me, son, I’m mashed in a gin-sling: I’m jiggered, sir.

3. in fig. use, unstable.

1999

Guardian G2 2 Aug. 3: The market suggests that British brewing is nearly as jiggered as the people who swill their products.