See gull in Webster's New World Roget's A-Z Thesaurus II
noun
A person who is easily deceived or victimized:
butt3, dupe, fool, lamb, pushover, victim. (Informal) sucker. (Slang) fall guy, gudgeon, mark, monkey, patsy, pigeon, sap1. (Chiefly British) mug. See wise
verb
To get money or something else from by deceitful trickery:
bilk, cheat, cozen, defraud, mulct, rook, swindle, victimize. (Informal) chisel, flimflam, take, trim. (Slang) diddle1, do, gyp, stick, sting. See honest
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