zany
     adj 1: pungent adjectives of disesteem; "gave me a cockamamie
            reason for not going"; "wore a goofy hat"; "a silly
            idea"; "some wacky plan for selling more books" syn:
            cockamamie, cockamamy, goofy, sappy, silly,
            wacky, whacky, unreasonable
     2: like a clown; "a buffoonish walk"; "a clownish face"; "a
        zany sense of humor" syn: buffoonish, clownish, clowlike
     n 1: a buffoon in one of the old comedies; imitates others for
          ludicrous effect
     2: a man who is a stupid incompetent fool syn: fathead, goof,
         goofball, bozo, jackass, goose, cuckoo, twat
     also: zaniest, zanier
see also:
cockamamie cockamamy goofy sappy silly wacky 
whacky unreasonable buffoonish clownish clowlike 
fathead goof goofball bozo jackass 
goose cuckoo twat zaniest zanier 

zaniest
     see zany
see also:
zany