Green’s Dictionary of Slang

fast-buck adj.

[fast buck n.]

(US) greedy, ‘get rich quick’.

[US]‘Monroe Fry’ Sex, Vice & Business 95: [S]ometimes the fast-buck operator just picks up the money orders and the cash, and decamps .
[US]N.Y. Times 4 Feb. 50: The dealers were guilty of schlock, sleazy, bargain-basement, fast-buck advertising.
[US]‘Red’ Rudensky Gonif 98: Kenneally was a fast-buck guy who had a reputation for hot loads.
[UK]T. Blacker Fixx 108: Fastbuck merchants from the City, publishers, the odd egghead sewer rat.
[US]T. Dorsey Florida Roadkill 84: An untested, ungrateful [...] fast-buck shit-ass like minimum.
[UK]Indep. Rev. 17 Apr. 4: The fast-buck sale of his space journal.

In compounds

fast-buck artist (n.) [-artist sfx]

(US) anyone keen on (and successful in) making a great deal of money.

WINS Radio 23 Aug. [radio] Then the fast-buck artists had jumped in [HDAS].
[US](con. 1940s) O’Day & Eells High Times Hard Times 114: All the fast-buck artists had opened up, giving the place the worst characteristics of a boomtown.
[US]J. McNamara First Directive (1985) 30: We drove through an endless sea of new condominiums put up by fast-buck artists.
Goldman & Papson Nike Culture 114: [...] the most egregiously offensive sports merchandising business in the world, presided over by a messianic fast-buck artist named Phil Knight.
E-Mag. XIII:4 🌐 The International Year of Ecotourism is a time for reflection. Will your trip be arranged by a dedicated, conservation-minded tour operator, or a fast-buck artist who exploits the local community?