Green’s Dictionary of Slang

to deceive, to hoax, to swindle, to render gullible.

1836–41		T.C. Buckland Eton. n.p.: I was again catechized [...] and some mild attempts were made to green me, as boys call it [F&H].
1892		‘F. Anstey’ Voces Populi 318: You go on – you don’t green me that w’y.
1900		Boy’s Own Paper 10 Nov. 85: At school you get to know pretty soon when fellows are trying to ‘green’ you and take you in.
1953		Randolph & Wilson Down in the Holler 249: Them boys better quit greenin’ Eddie, or he’s liable to git mad an’ hurt somebody.