Green’s Dictionary of Slang

used of an undertaking that requires whatever is available, no matter what it is, relevant or not; thus kitchen sink, everything one has (see cit. 1977).

1914		Wash. Times (DC) 20 Feb. 7/1: He had on everything but the kitchen sink.
1919		N.Y. Times 5: [advert] Pots and Pans! To say nothing of rolling pins, clothes baskets, wash boilers, percolators, casseroles, towel bars, cloth, ventilators, china, cut glass, earthenware--well, in fact everything but the kitchen sink is included in this Semi-Annual Sale of Housefurnishings.
1928		Wash. Post 26 Aug. SM4: Jove, what a mantel! Everything on it but the kitchen sink!
1944		L. Glassop We Were the Rats 210: They hit us with everythin’ but the kitchen sink—arty, mortars, M.Gs, everythin’.
1953		Yorks Eve. Post 7 Aug. 6/5: ‘We carry everything but the kitchen sink’ had long been the proud claim of airline freight men.
1959		F. Norman in Encounter Mar. in Norman’s London (1969) 71: I found that they [i.e. prison magazines] had everything but the kitchen sink in them.
1977		Ben-Veniste & Frampton Stonewall 334: [Some prosecutors] simply confuse quantity with quality—failing to accord juries their due in being able to discriminate—and throw in the kitchen sink.
2003		McGill Reed Dict. of N.Z. Sl. 74: everything but the cat’s blanket A comprehensive effort.

(W.I. Rasta) all is well, all is taken care of.

2001		B. Geddes World Food 242: everything cook and curry: an expression used throughout the English-speaking Caribbean that means ‘everything is well and taken care of’.
2006		K. Hoyle Black Marks 242: ‘Everything cook and curry.’ I hugged her and felt warm, but I still missed my mom and dad.

(US teen/W.I.) everything is fine, as it should be.

1968		‘Hy Lit’ Hy Lit’s Unbelievable Dict. of Hip Words 14: everything’s everything – Everything is wonderful [...] this is the only answer to the question, ‘What’s happening?’.
1981		W.D. Myers Hoops 13: ‘I’m going to go upstairs and check something out, and then I’ll be right back down if everything isn’t everything’ .
1988		W.D. Myers Scorpions 163: ‘[H]e did his thing and I did mine and everything was everything’.
1995		Francis-Jackson Official Dancehall Dict. 18: Everyt’ing is everyt’ing everything is O.K.
2000		W.D. Myers ‘Block Party–145th Street Style’ in 145th Street 143: [W]hen Big Joe showed up with a portable barbecue grill everything was everything.