merchant banker n.
a masturbator; thus a general term of abuse.
|Powder 132: ‘We ain’t had a banker like Helmet in years ...’ ‘Merchant Banker, yeah!’.|
|Guardian G2 20 Jan. 16: There appear to be few instances where a job lends itself to a home-made Cockneyism. ‘Merchants’ (as in ‘merchant bankers’) is the most obvious.|
|Dirty Cockney Rhy. Sl. 80: I had to quit my job because the bosses were all a bunch of merchant bankers. [Ibid.] 97: Swiss banker wanker.|