Green’s Dictionary of Slang

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

[1944		P. Kendall Dict. Service Sl. n.p.: brick . . . a muscular girl who won’t stand any fooling].
1989		P. Munro Sl. U. 46: Dolly Parton is a brickhouse. [Ibid.] 111: house see brickhouse.

2. an attractive woman.

1979		Eble Campus Sl. Mar. 2: brick house – a good-looking girl.
1982		W. Safire What’s The Good Word? 84: He is from Planet Lovetron where the brothers be bad and the ‘biddies’ be brickhouses.
1997		Simon & Burns Corner (1998) 169: The Commodores arrive suddenly to fill the void. ‘She’s a brick . . . hoowwwse’.