Green’s Dictionary of Slang

Dunlop n.

(Aus./N.Z., also Dunlop cheque) a cheque that has ‘bounced’, i.e. been marked ‘return to drawer’ by the bank.

[Aus]R. Aven-Bray Ridgey-Didge Oz Jack Lang 25: Dunlop Cheque Bouncing flap [i.e. cheque].
[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 63/1: dunlop n. a cheque rendered invalid by lack of sufficient funds.
Aussie Sl. Dict. 🌐 Dunlop cheque – cheque that bounced (the bank did not accept it, returned to you) Dunlop being famous for making tyres.

In compounds