Outside of any specific character, the word "frisky" describes someone—or something—that is exceptionally playful, energetic, or spirited. Playful Energy
“You’re impossible,” Mark sighed.
The reasonable reader is now thinking: This sounds lovely, but I cannot let my Frisky (literal or metaphorical) destroy my house or my career. You are correct. The art is not in letting Frisky run rampant 24/7. The art is in creating for her way. Frisky having her way