Green’s Dictionary of Slang

stacked adj.1

also stacked up

1. wealthy.

[US]Ade Hand-made Fables 160: It’s all right for them that have it stacked up to be reckless.
[UK]J. Curtis Look Long Upon a Monkey 52: To be stacked with money was very comforting.
[UK]L. Dunne Goodbye to The Hill (1966) 176: ‘Has she got money?’ ‘She’s stacked,’ he said.

2. of a woman, attractively well-built, esp. with large breasts.

[US]J.A. Shidler ‘More Stanford Expressions’ in AS VII:6 436: If well constructed physically, they are ‘stacked up nicely,’ ‘well assembled,’ and ‘thrown together’.
[US]C. Willingham End as a Man (1952) 199: I was dreaming of a nice, stacked-up girl.
[US]I. Shulman Cry Tough! 173: ‘Mitch,’ he said as he leaned toward Iris [...] and grasped a breast, ‘this babe is stacked.’.
[US]J. Thompson Savage Night (1991) 76: She was stacked. She was pretty.
[US]H. Simmons Corner Boy 10: This broad was short, but stacked up real tough.
[US]Lonnie Johnson ‘Big Leg Woman’ 🎵 Way my baby stacked up, / it’s enough to drive the average cat insane.
[Aus]‘Geoffrey Tolhurst’ Flat 4 King’s Cross (1966) 98: ‘I don’t see why not, even if she isn’t stacked like I was’.
[US]N. Heard Howard Street 216: Gorgeous, stacked Mommy sat looking lovely and stupid.
[US]T. Thackrey Thief 181: Stacked – I mean, like wow!
[US]S. King It (1987) 113: You looked and saw a gorgeous woman, slim but abundantly stacked.
[Aus]R.G. Barrett Real Thing 25: A pixie-faced, well-stakced, slightly auburnish blonde.
[US]D. Burke Street Talk 2 94: She’s got a figure that won’t quit. She’s stacked.
[US]P. Roth Human Stain 129: A theatrically big-featured, vivacious dark girl [...] in the parlance of the moment ‘stacked’.
Howard Stern Show US radio Stern: Did your daughter get breast implants? [...] D. Trump: The answer is no. Why, did she look a little more stacked?
[Aus]G. Disher Kill Shot [ebook] A well-stacked bottle blonde.
[US]N. Walker Cherry 40: She had a pretty face and she was stacked.
[US]J. Ellroy Widespread Panic 39: ‘Jimmy Dean made an avant-garde fil of their last assignation [...] The Stacked and the Hung’.

3. of a man, muscular.

[US]L. Durst Jives of Dr. Hepcat (1989) 8: Stacked like the rock of Gibraltar and his crumb crushers are white and even, when he sounds down cupid’s taking his natural cut.
[US](con. 1972) Jurgenson & Cea Circle of Six 22: He was about six foot six, two hundred and fifty pounds, stacked like a brickyard.

4. (Irish) drunk.

[US]‘Tom Pendleton’ Iron Orchard (1967) 18: A life of stretching your guts out for enough to eat, with a little left over to get stacked [...] on a Saturday night!
[Ire]C. Brown Down All the Days 53: Mother started telling a story about two young men [...] coming home in the early hours of the morning from an all-night hooley well stacked with whiskey and porter.

5. (US gay) having a large penis.

[US]B. Rodgers Queens’ Vernacular 211: having more than seven inches of cock [...] stacked.

In phrases

stacked (up) like a brick shithouse (adj.) (also stacked like a brick backhouse, ...outhouse) [the phr. has generated an infinity of more or less inventive synonyms, among them: a doublebarreled gunboat, a gal in a press agent's dream, a million-dollar poker deck, a pile of goose-down pillows, a porn star, a shelf full of anatomy textbooks, a sheet metal toolshed, a supermodel, Kansas in August, the new-mown hay and the semi-euph. a brick courthouse, a brick crapper, a brick hotel,, a brick post office and a brick shipyard. Few of which exceed one or two examples. ]

used of a woman with a notably voluptuous figure, esp. as regards her breasts.

[US]Story 27-28 69: ‘Boy! Some of these Irish babes are stacked up like a brick outhouse!’.
[US]J. Thompson Alcoholics (1993) 102: She must be stacked like a brick back-house in windy country.
[US]R.F. Mirvish There You Are, But Where Are You? 222: ‘The Sicilian babe [...]. Stacked like a brick shithouse’.
[US]D. Gordon Mother’s Bed n.p.: [G]als who had simply been invited, with one pre-requisite — that they be good looking and stacked like a brick shithouse.
[US]P. Conroy Lords of Discipline 221: ‘She’s got a set on her that could feed the city of Tokyo. Stacked like a brick shit house’.
[US]M.B. Stiles Kate of Still Waters 18: ‘He's the kind of smart-mouth who told Hetty Anne's sister Ursel right to her face that she is “stacked like a brick outhouse”’.
[US]C.W. Smith Understanding Women 35: ‘Good lookin’? Stacked like a brick shit¬house’.
[US]S.R. Murphy Cat Spitting Mad 41: [T]he woman was gorgeous, with [...] a figure that, to quote Clyde, was stacked like a brick outhouse.
[US]M. Jones Burton St. 165: And as the guys around the corner whispered (and I heard), Jada was ‘stacked like a brick shit-house’.
[US]L. Bingham Desperado n.p.: 'P.D. Raines was already stacked like a brick outhouse. The thought of her breasts contained by a frilly corset...' .
well-stacked (adj.)

(orig. US) of a woman, attractive, esp. having a good figure, spec. large breasts and buttocks.

[US]Circleville Herald (OH) 8 Jan. 7/1: [cartoon caption] Why is a bathing beauty like a pile of wheat cakers? Cuase she’s well-stacked up!
[US]Green & Laurie Show Biz from Vaude to Video 47: The GIs call it ‘well stacked’.
[UK]Wodehouse Jeeves in the Offing 23: His companion was a well-stacked young featherweight, who could be none other than the Phyllis Mills.
[US]P. Thomas Down These Mean Streets (1970) 83: She was a pretty, well-stacked girl, with black hair.
[UK]A. Bleasdale Scully 113: She looked a well-stacked piece.
Jrnl & Courier (Lafayette, IN) 4 Apr. 9/3: [He] nodded his head toward the barmaid and said, ‘Mind she’s well stacked’.
[UK]Guardian Guide 9–15 Oct. 12: The stone foxes and the well-stacked hotties.