Green’s Dictionary of Slang

khaki n.

[all from the colour, usu. of a uniform]

1. pease pudding; thus cannon and khaki, a globular steak pudding and a lump of pease pudding on the side.

[UK]J. Ware Passing Eng. of the Victorian Era 162/2: Khaki (Military, February 1900). Volunteer-especially yeomanry volunteer for the Boer war, 1899–1900. Applied in all ways – to pease-pudding amongst many, from the colour. Hence resulted in common eating-houses the order, ‘Cannon and Khaki,’ i.e., round beef-steak pudding and a dump of pease-pudding.

2. (S.Afr.) a non-Nationalist white South African, usu. of English background [Boer War sl. khaki, an English soldier].

Forum 7 Sept. 3: I wonder if Dr. van Nierop’s statement that one Boer is enough for ten Khakies is not perhaps true? [DSAE].
[SA]C.R. Prance Tante Rebella and her Friends (1951) 117: That ‘slim trick’ was one more count in the republican indictment against Botha as a ‘Khaki General’, a traitor to the cause of freedom.
Sun. Times (Jo’burg) 11 June 15: We are fighting the English. The fight has been declared against the khakis — the battlefield is wide open [DSAE].
[SA] Cape Times 29 Apr., n.p.: This list included lying; bad temper and naughtiness in general; Judas; dim hands; Milner, Kitchener, Jameson and Rhodes; all Khakies; all Englishmen [DSAE].

3. (N.Z.) a Maori.

[NZ]N. Hilliard Maori Girl 253: They reckon there’s too many fights here, having the whites and the khakis all mixed up together.

4. (US) a county police officer.

[US]R. Campbell In La-La Land We Trust (1999) 90: There were blues and county khakis and detectives and DA’s men all over.

5. (Irish) a lifeguard.

[Ire]J. Morrow Confessions of Proinsias O’Toole 80: He’d been raided, looted and cuckolded by an assault platoon of Lifeguards. He [...] was well into an eye-rolling, wrist-flapping description of his trials at the hands of the kinky khaki hun.

SE in slang uses

In compounds

khaki steak (n.)

(Anglo-Ind.) a tough, over-cooked beefsteak.

[UK]Swindon Advertiser 12 May 4/3: At 8 a.m. [Tommy] takes his breakfast and he has a choice ‘khaki’ steak — ‘as tough as leather’ — and bread and butter.
H. Hobbs Romance of the Calcutta Sweep 22: Poor fellows! they were too well pleased to have something to make up for khaki steaks so tough that you couldn't get a fork into the gravy, and biscuits burnt to charcoal, to trouble.
[UK]Sunderland Dly Echo 29 Dec. 7/4: What about those days in [...] Delhi, Dunbar, and Nowsheja, those days of Ticky Mansell, prickly heat, and khaki steaks.
Review 59 16/1: [A] khaki steak and a lb . of bread for being breakfast.
[Ind](con. 1930s) in C. Allen Plain Tales from the Raj 186: Breakfast was usually ‘what we called a khaki steak, very tough meat worked to a frazzle.
in D. Gilmour British in India n.p.: [A] monotonous diet of khaki steak and boiled potatoes, varied twice a week by stew.
khaki-wacky (n.) [whacky adj.]

(US) used of a woman, one who is enamoured of men in military uniform; occas. as n. (see cite 1951).

[US]Detroit Free Press (MI) 30 May pt 4 4/1: They‘1 getting into a peck of trouble . . . The kids who play hookey from school . . . The Khaki-Wacky girl, kissing a soldier in the doorway.
[US]Pittsburgh Courier (PA) 26 June 20/1: [of a male subject] Willie Bryant [...] is that wacky about a beauty in khaki.
[US]Time 3 Jan. 🌐 The U.S. seemed rife with delinquent juveniles, the khaki-wacky V-girls.
[US]H. Haenigsen Penny 5 May [synd. cartoon] She’s simply khaki wacky, army balmy, uniform happy!
[US]Wilmington Morn. News (DE) 31 Oct. 17/1: The ‘pleasure ladies, khaki wackies and snuggle bunnies’ are again creating a social problem for police around military camps.
[US]Orlando Eve. Star (FL) 4 Mar. 20/3: [cartoon caption] My Dad went all through this in the Army. Put a guy in uniform and the girls go khaki-wacky.
[US]J. Dailey Silver Wings (1985) 156: Khaki-wacky, they call it [...] Some of these young kids go crazy over anyone in uniform.
[US](con. WWII) Detroit Free Press (MI) 3 Dec. 10/3: Police and the press called the girls Victory Girls and Khaki Wackies [...] overzealous, unsupervised teenagers who thought their patriotic duty was to meet the sexual demands of their GI dates.

In phrases

khaki down (v.)

(US, Western) to adopt the stereotyped cholo adj. (2)style, featuring khaki trousers.

[US]‘Jennifer Blowdryer’ Modern English 64: khaki down (v): To dress in a Cholo manner, with Khaki or Ben Davis pants, a white a-line T-Shirt, a plaid shirt, sneakers.