Green’s Dictionary of Slang

to cheat, to deceive.

1890		Sporting Times 8 Mar. 1/4: S’help me bob, why the blue-rock’s got no chance — they’re twice-ing him!
1937		P. Cheyney Dames Don’t Care (1960) 52: Henrietta is holdin’ out on me [...] she is twicin’ me good an’ proper.