Green’s Dictionary of Slang

dibs and dabs n.

also dib-dabs
[rhy. sl.]

(Aus.) crabs (body lice).

[Aus]letter in Baker Papers Mitchell Lib. MS 165 Box 4 bundle ii file 2 dib-dabs—crabs (pox).
[Aus] ‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xxxiv 4/3: dibs and dabs: Crabs.
[Aus]R. Aven-Bray Ridgey-Didge Oz Jack Lang 9: He was new to the pitch and toss, but he had heard that the dibs and dabs in the area could jump forty feet.
[Aus]Tupper & Wortley Aus. Prison Sl. Gloss. 🌐 Dibs and dabs. Body lice.
[Aus]Pete’s Aussie Sl. Home Page 🌐 dibs and dabs: crabs (body lice).