waggishness

noun

frisky, amusing, playful, reckless behavior that is not intended cause harm

Wiktionary

noun

Etymology: Etymology tree English waggish Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English waggishness From waggish + -ness.

Waggish behaviour.