Source : Webster's Revised Unabridged Dictionary (1913)

Fluky \Fluk"y\, a.
   Formed like, or having, a fluke.

Source : WordNet®

fluky
     adj : subject to accident or chance or change; "a chancy appeal at
           best"; "getting that job was definitely fluky"; "a
           fluky wind"; "an iffy proposition" [syn: {chancy}, {flukey},
            {iffy}]
     [also: {flukiest}, {flukier}]