Green’s Dictionary of Slang

damn-all n.

nothing; also as excl.

1917		B. Adams Nothing of Importance 29: The relieving regiment, you find on your return, has done ‘damn all,’ which is military slang for ‘nothing’.
1920		‘Sapper’ Bulldog Drummond 166: ‘What luck?’ ‘Dam’ all, as they say in the vernacular.’.
1922		Joyce Ulysses 102: Get up! Last day! Then every fellow mousing around for his liver and lights and the rest of his traps. Find damn all of himself that morning. [Ibid.] 417: Proud possessor of damnall.
1930		(con. 1914–18) Brophy & Partridge Songs and Sl. of the British Soldier.
1938		G. Kersh Night and the City 31: Is Bielinsky going to waste good money suing you when you got damn all to lose.
1940		J. MacLaren-Ross ‘A Bit of a Smash in Madras’ in Memoirs of the Forties (1984) 272: Absolute fact, I knew damn all about it.
1941		K. Tennant Battlers 154: Good God! Look at that shoe-buckle. I’ll have to stitch it. Damnall! The only pair of evening shoes I brought.
1944		J. Cary Horse’s Mouth (1948) 46: All those nicely fitted receding planes amount to damn all but an art-school dodge.
1958		(con. 1940s) B. Behan Borstal Boy 214: Damn-all to do with me.
1958		J. Osborne Epitaph for George Dillon Act I: You’ve had damn-all to do all day.
1959		G. Slatter Gun in My Hand 224: Why don’t they tell the truth? Travel is damn-all.
1967		B. MacMahon Honey Spike n.p.: He [...] was searching the empty envelope. ‘Damn-all else here,’ he said. Reading from the back of the demand note: ‘This tinker is a hook’ [BS].

In phrases