Definitions

1. noun

a mischievous or unruly child

“The parents struggled to manage their hellion of a toddler.”

2. noun

a fierce or untamed creature, especially a wild or savage beast

“The hellion of the forest was a massive, ferocious tiger.”

3. noun

a person, especially a young person, who is fiercely energetic or violent, or who is recklessly daring

“The young punk was a self-proclaimed hellion, always looking for trouble.”