Green’s Dictionary of Slang

brickhouse n.2

[built like a brick shithouse under built adj.]
(US black/campus)

1. (also house) a woman with a large chest.

[[US]P. Kendall Dict. Service Sl. n.p.: brick . . . a muscular girl who won’t stand any fooling].
[US]P. Munro Sl. U. 46: Dolly Parton is a brickhouse. [Ibid.] 111: house see brickhouse.

2. an attractive woman.

[US]Eble Campus Sl. Mar. 2: brick house – a good-looking girl.
[US] W. Safire What’s The Good Word? 84: He is from Planet Lovetron where the brothers be bad and the ‘biddies’ be brickhouses.
[US]Simon & Burns Corner (1998) 169: The Commodores arrive suddenly to fill the void. ‘She’s a brick . . . hoowwwse’.