Green’s Dictionary of Slang

the female breast; usu. pl.

1928		Hecht & MacArthur Front Page 456: McCue: I wouldn’t mind a nice big blonde. Murphy: (outlining a voluptuous bust) With a bozoom!
1936		M. Levin Old Bunch (1946) 579: She hauls something out of her buzzoom.
1946		E. Wilson Pikes Peek or Bust 102: ‘She’s [i.e. Jane Russell] so big in the buzzooms she’s got to tape herself down!’.
1963		B. Hecht Gaily, Gaily 151: No chest. A pair of big bozooms.
1967–8		Baker et al. CUSS 77: Bazooms The female breasts.
1970		(con. 1950s) H. Junker ‘The Fifties’ in Eisen Age of Rock 2 (1970) 99: A bust was a pair of [...] bazooms.
1974		(con. 1960s) R. Price Wanderers 27: Howdja like them bazooms on that P.R. chick?
1975		J. Wambaugh Choirboys (1976) 299: This gorgeous blonde girl with bazooms like volleyballs.
1988		M. Atwood Cat’s Eye (1989) 92: That means big bazooms. Look at this – cup sizes! Like teacups!
1994		J. Wambaugh Finnegan’s Week 45: Scope those bazooms!
2002		Sandmann ‘Burning Down the House’ Planet Sex Stories 🌐 A rejuvenated Jolene jumped on top of me and started tongue kissing me while squeezing my big bazooms rather roughly.
2018		‘Aidan Truhen’ Price You Pay 158: Miss Nebraska is not merely the owner-operator of some of the nation’s finest bazooms.