The Collaborative International Dictionary of English v.0.48:
Frisky \Frisk"y\, a. Inclined to frisk; frolicsome; gay. [1913 Webster] He is too frisky for an old man. --Jeffrey. [1913 Webster]WordNet (r) 3.0 (2006):
frisky adj 1: playful like a lively kitten [syn: kittenish, frisky]