Green’s Dictionary of Slang

wisey n.

(US) a wise guy n. (2)

1940		S. Sterling ‘Ten Carats of Lead’ in Black Mask Stories (2010) 234/2: ‘Won’t do any good, either.’ ‘That’s what you Centre Street wiseys always think’.
1942		R. Chandler High Window (1951) 66: ‘I ain’t interested in your five bucks,’ he said. ‘That’s fine,’ I said. [...] ‘A wisey,’ he said. ‘What gives?’.