summerling
/ˈsʌmərˌlɪŋ/Definitions
1. noun
a young person or child, especially a boy, in the summer
“The summerling was excited to spend his summer vacation at the beach.”
2. noun
a young person, especially a boy, who is active and adventurous, often in the summer
“The summerling in our group convinced everyone to go on a hike.”