subs. (thieves).1. Money: generic, but specifically, a halfpenny or other small coin: see RHINO.
1888. PAYN, The Eavesdropper, II. ii. They used such funny terms: brads, and dibbs, and mopuses, and POSH, and stumpy. But at last it was borne in upon me that they were talking about money.
1891. Ally Slopers Half Holiday, 4 April. I am authorized by the executive council to send you an invitation to take care of the POSH.
1893. P. H. EMERSON, Signor Lippo, xx. Shed always get some POSH from them.
2. (society).A dandy.