Definition of "jigger"

A good jigger will have a well formed lip that will pour a clean stream into the cocktail shaker or glass.

2000, Robert B. Hess, drinkboy.com

He also championed the “bartender’s choice” found on many cocktail menus, the use of jiggers to measure out drinks, and even the ubiquitous use of cucumber slices in water glasses.

2015 August 22, Robert Simonson, “Sasha Petraske, 42, Dies; Bar Owner Restored Luster to Cocktail Culture”, in The New York Times‎

“People are so dam’ sensitive about colour around here that you can’t even ask a barman for a jigger of rum. You have to ask for a jegro.”

1956, Ian Fleming, chapter 13, in Diamonds Are Forever

Hand jiggers consisted of two iron frames with a spindle in each - the driving spindle with its iron belt pulley approximately 20 inches in diameter and the driven spindle with a small wooden pulley.

2004, thepotteries.org, Jiggering

He made the discovery that the bikestand was vacant and the machine gone. "Where the thump's my jigger?" he exclaimed.

1932, Frank Richards, “The Complete Outsider”, in The Magnet

“an air-brush is a big thing-a-ma-bob or whatcha-callit, full of gas, and when you turn on a little jigger, it causes compressed air to squeeze out, which, in turn, going through a needle—” “That wasn't part of the contract, Mr. Jones,” […]

1915, Printers' Ink, page 119

He could jigger the ball o'er a steeple tall as most men would jigger a cop.

1899, Carlyle Smith, “The Secret of Golf”, in Harper's Magazine

According to a disciplinary notice, a correctional officer saw a "jigger string" coming from cell H-2 to Harper's cell. A jigger string is used to move objects between cells.

1990, “Supreme Court of Iowa”, in Court Listener‎, Harper v. State, 463 N.W.2d 418 (Iowa 1990)

"It's jus' through this jigger and round the back of the next block." She hurried through the alleyway in front of me; the pressing back-yard walls prevented anything more than single file.

1967, Peter Madden, “The Supreme Winnower”, in Blackwood's Edinburgh Magazine, volume 301, William Blackwood, page 178

Well, they saw a little boy on the street and his penis was hanging out and they said his "jigger" was hanging out, and I said, "Well, maybe his mother didn't tell him differently."

1931, Chloe Owings, A Research in Parental Sex Education, University of Minnesota Press, page 245

A tiny pulse from Lisette's thigh beat under my ear: stroke, stroke, stroke. I contemplated the thick red bush of her jigger, so close to my face.

2002, Nalo Hopkinson, “Paris, 1842”, in Elizabeth Ruth, editor, Bent on Writing: Contemporary Queer Tales, Toronto: Women's Press, page 23

On getting to the top of the stair, to my disappointment there was a padlock upon the garret jigger; I wheep't out my chive, broke it up, and picked the padlock with the back-spring.

1821, David Haggart, The Life of David Haggart‎, page 98

"Crash the cull—down with him—down with him before he dubs the jigger. Tip him the degan, Fib, fake him through and through; if he pikes we shall all be scragged."

1828, Edward Bulwer-Lytton, chapter LXXXIII, in Pelham: or The Adventures of a Gentleman‎, page 402

Officials of Chicago't Cook County Jail watch Ed Stanley, inmate, pick sample locks with a professional "jigger gun."

1935, Science News Letter - Volumes 27-28, page 164

The jigger gun and nippers would be out of sight down the shaft, and the face of the plate hides the thread.

1936, Clyde B. Clason, The Fifth Tumbler, page 245

...of attack that open practically any padlock — the use of keys, picking of the lock with hand picks or jigger guns, ....

1938, Chain Store Age - Volume 14, page 147

Sizing up the padlock, Mac slapped at a webbing pocket for his lock jiggers, but felt nothing.

2010, Mark Abernethy, Second Strike, page 19

The question is, where did he get this jigger from? You don't buy them at ironmongers, you know.' He handled the bright instrument lovingly. As he moved the handles the two tiny levers opened and shut like the mandibles of a Picasso crab.

2012, Michael Gilbert, Sky High, page 183

...offering to swear an alibi for the prisoner [...] to ensure an acquittal. Terms: £50 for value received. No pay if jiggered.

1870, J.T. Campion, “Billy in the Bowl”, in The Shamrock, volume 8, page 107

jigger me, but I think you be turning jest into earnest,

1831, John Banim, The Smuggler, page 231

It had always been his habit to say, "I will be jiggered," but this time he said, "I am jiggered."

1887, Frances Hodgson Burnett, Little Lord Fauntleroy, page 173