Prunty

Definition:

Undefinable. Pruntiness can only be demonstrated, as it is a particular way of being. It combines aspects of sassiness, pride, feeling-one's-self, smallness and/or roundness, ungovernableness, and mischief.

To see a creature be truly prunty, watch a cat steal food without consequence and trot away from the scene of their crime with the food in their mouth, knowing no one can catch them.

Exhibit A