gull
     n 1: a person who is gullible and easy to take advantage of [syn:
           {chump}, {fool}, {mark}, {patsy}, {fall guy}, {sucker},
           {soft touch}, {mug}]
     2: mostly white aquatic bird having long pointed wings and
        short legs [syn: {seagull}, {sea gull}]
     v 1: make a fool or dupe of [syn: {fool}, {befool}]
     2: fool or hoax; "The immigrant was duped because he trusted
        everyone"; "You can't fool me!" [syn: {dupe}, {slang}, {befool},
         {cod}, {fool}, {put on}, {take in}, {put one over}, {put
        one across}]
Source: WordNet® 2.0