Green’s Dictionary of Slang

(US) very much, to a great extent; usu. prefixed by as or like.

1844		‘Jonathan Slick’ High Life in N.Y. II 118: A kind of frosty looking old maid, as impudent as git out.
1858		Pittsburgh Dly Post 13 Aug. 1/7: He handed me a gl;ass o’ sumthin that smelt stronger’n all git out.
1859		Syracuse Dly Courier (NY) 28 Sept. 1/7: The wind blowed like all git out.
1872		Girard Press (Girard, KS) 21 Nov. 3/3: I hollered like all git out.
1884		(con. c.1840) ‘Mark Twain’ Huckleberry Finn 325: We got to dig in like all git-out.
1885		Dly Morn. Astorian (OR) 17 Feb. 2/1: Salvation is free but it costs like all get out to run a church.
1894		Coeur d’Alene Press (ID) 26 May 2/1: With three journals in the field, all the editors will now have to rustle like ‘all-get-out’.
1904		Ade True Bills 60: What in the name of all Get-Out do you find to talk about?
1910		Sporting Times 29 Jan. 1/3: The Actin Edditer, which he thinks hisself abowt as slick as all-get-out.
1916		H.L. Wilson Somewhere in Red Gap 197: When I got into the parlour she had them on, pleased as all get-out.
1921		P. & T. Casey Gay-cat 149: Don’t worry none about your dog. He’s eating here in the corner just like all-git-out.
1929		J. Sale Tree Named John 8: Mars John’ll be hyere terreckly, holl’in lak all gitout.
1937		W.M. Raine Cool Customer 135: I understand it’s rich as all get-out.
1942		W. Winchell On Broadway 22 Jan. [synd. col.] Some of [Hitler’s] favorite generals [...] are taking sick like all get out.
1950		B. Rose 30 Aug. [synd. col.] Prepared to work like all get out [W&F].
1950		W. Sansom ‘Impatience’ in Lehman Penguin New Writing No. 40 31: ‘Beat it off away now,’ said the Dropper. ‘Blow’.
1955		P. Rabe Benny Muscles In (2004) 273: We tried to make her perk up a little – we tried like all get-out.
1957		Mad mag. Jul.–Aug. 16: Gosh-all-getout, Mr Science!
1957		(con. 1944) A. Myrer Big War 346: Laughing like all get-out.
1964		L. Hansberry Sign in Sidney Brustein’s Window in Three Negro Plays (1969) II iii: There’s this sandy-haired kid standing in pedal pushers and an apron, pregnant as all get-out.
1971		K. Gilbert Cherry Pickers I i: Yeah. O.K., sexy as all git-out.
1976		Cab Calloway Of Minnie the Moocher and Me 191: She was proud and aloof as all get out.
1986		W.D. Ehrhart Passing Time (1988) 52: Now all the generals and politicians are backpedaling like all getout.
2000		Ebonics Primer at www.dolemite.com 🌐 all get out Definition: meaning as hell, very Example: Damn, that bitch fat as all get out!!!!
2004		T. Winton ‘Abbreviation’ in Turning (2005) 18: They were the sorriest-looking bunch of girls you’d ever see, freckly as all get-out.
2019		C. Hammer Silver [ebook] He was as dodgy as all get out.