Green’s Dictionary of Slang

1. a euph. for damn v.

1877		J. Greenwood Dick Temple III 12: Jigger it all, you know!
1878		Western Dly Press 16 Aug. 8/4: It is an error to suppose that the imprecation, —ou be jiggered,’ has any connection with the adjuration, ‘By Jingo’.
1903		A. Binstead Pitcher in Paradise 202: Oh, jigger working capital, you don’t want any capital!
1938		X. Herbert Capricornia (1939) 523: ‘The law demands co-operation.’ ‘Jigger the law.’.

2. (also fiddle) as past participle of sense 1, with an additional feeling of confusion.

1842		Comic Almanack Oct. 333: He is said to have declared that, if false, nothing should prevent his being ‘jiggered’.
1865		R.S. Surtees Facey Romford’s Hounds 172: Fiddle the farthins! I mean, grudge money for huntin’!
1866		J. Greenwood Little Ragamuffin 98: ‘Got him, Jerry? Halves, don’t you know?’ [...] ‘Halves, be jiggered,’ roared Jerry.
1870		E. Greey Queen’s Sailors II 160: The first lieutenant be jiggered.
1904		‘G.B. Lancaster’ Sons O’ Men 112: ‘There’s a ketch missing from out.’ ‘Ketch be fiddled!’.
1907		Sun. Times (Perth) 24 Feb. 4/7: ‘Norseman be jiggered,’ grunted the ancient dish-twister.
1929		J.B. Booth London Town 247: Ticket be jiggered!
1938		X. Herbert Capricornia (1939) 370: ‘Aw be jiggered!’ snapped Frank. ‘You lent it to me.’.
1957		D. Niland Call Me When the Cross Turns Over (1958) 177: They didn’t know what to say. They were jiggered.