Green’s Dictionary of Slang

shit adv.

as an intensifier extremely, very, completely, certainly.

[UK]J. Maclaren-Ross Swag, the Spy and the Soldier in Lehmann Penguin New Writing No. 26 49: I’m shit out, see? Ain’t got bugger all.
[US]P. Thomas Down These Mean Streets (1970) 254: No, you, amigo, you were shit in luck.
[US]D. Mitchell Thumb Tripping (1971) 139: Well you shit got pregnant every time we had some.
[US]C. Bukowski Erections, Ejaculations etc. 399: A gift from the heavens on a shit rainy day.
[UK]Barltrop & Wolveridge Muvver Tongue 41: To have a piece of good fortune is to be ‘shit-lucky’.
[NZ]B. Stewart Broken Arse II i: No. Shit no. Hey sorry about that swearing.
[US]S. King Dolores Claiborne 113: ‘First you’re gonna promise me you’ll leave Selena alone,’ I said, ‘so we can put this shit-miserable business behind us.’.
[UK]J. Cameron Vinnie Got Blown Away 74: Most cons are shit soft.

In compounds

shitsure (adv.)

(US) certainly, definitely; also as adj., certain.

[US]W. Burroughs letter 29 Oct. in Harris (1993) 341: I will shit sure avail myself.
[US]W. Burroughs Naked Lunch (1968) 123: When his neck snaps, this character will shit-sure come to rhythmic attention.
[US]W. Eastlake Castle Keep (1966) 186: That’s shit sure.
[UK](con. 1960) P. Theroux My Secret Hist. (1990) 177: One thing’s for shit-sure [...] I ain’t going in no fucking army.

In phrases

shit out of luck (also shit out)

(US) at the end of one’s good fortune, in serious trouble with no escape.

[US] in Randolph & Legman Ozark Folksongs and Folklore (1992) I 433: Too old to fuck, too proud to suck, / Just two rotten whoors, shit out of luck!
[US]‘J.M. Hall’ Anecdota Americana II 118: They break just the same, and / You’re shit out of luck.
[US]H. Miller Tropic of Capricorn (1964) 53: If you get tired of climbing you are shit out of luck.
[US] in G. Legman Limerick (1953) 236: The wife of an athlete named Chuck / Found her married life shit-out-of-luck.
[US]J. Jones From Here to Eternity (1998) 851: ‘Yeah,’ somebody hollered, ‘but what if they aint?’ ‘Then you’re shit out of luck,’ Warden said.
[US](con. early 1950s) J. Peacock Valhalla 72: They’re shit out of luck.
[US](con. 1950s) McAleer & Dickson Unit Pride (1981) 26: You’re shit outa luck.
[NZ]G. Slatter Pagan Game (1969) 158: He’s been a bit of a tin-bum [...] Not like me. I’m always shit out of luck.
[US]H. Rawson Dict. of Invective (1991) 353: shit out of luck. Out of luck, really and truly; without a chance of success.
[UK]J. Healy Streets Above Us (1991) 87: He needs a seven to get out of jail. They land a six, shit out, no good.
[US]Alt. Eng. Dict. [Internet] shit out of luck (preposition phrase?, idiom) really out of luck.
[NZ]McGill Reed Dict. of N.Z. Sl. 186: shit out of Missing something, maybe luck.
[US]C. Carr Our Town 293: If you don’t have a Klagraff, you’re shit out of luck.
[US]R.F. Coleman ‘Requiem for Spider’ in Pulp Ink [ebook] If Yuri’s needs stretched much beyond patting people down he was shit out of luck with Dancing Bear.
[US]Baltimore Sun (MD) 22 Apr. T58/3: ‘If my neighbor can’t pay for it, she’s shit out of luck’.