Source : Webster's Revised Unabridged Dictionary (1913)

Puckish \Puck"ish\, a. [From {Puck}.]
   Resembling Puck; merry; mischievous. ``Puckish freaks.'' --J.
   R. Green.

Source : WordNet®

puckish
     adj : naughtily or annoyingly playful; "teasing and worrying with
           impish laughter" [syn: {impish}, {implike}, {mischievous},
            {pixilated}, {prankish}]