Green’s Dictionary of Slang

tit for tats n.

(Aus.) the female breasts.

[Aus]L. Glassop We Were the Rats 184: She’s got pretty good tit for tats, hasn’t she?
[Aus](con. 1944) L. Glassop Rats in New Guinea 178: Do ya reckon Eunice had the best brace an’ bits, the most pervy tit for tats?