The Collaborative International Dictionary of English v.0.48:
Fluky \Fluk"y\, a. Formed like, or having, a fluke. [1913 Webster]WordNet (r) 3.0 (2006):
fluky adj 1: 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, fluky, flukey, iffy]