boyishly
boy-ish-ly
adverb
In a manner characteristic of a boy, often suggesting youthful energy or immaturity.
"He grinned boyishly at the compliment."
Thesaurus
Synonyms: boylike
boy-ish-ly
In a manner characteristic of a boy, often suggesting youthful energy or immaturity.
"He grinned boyishly at the compliment."
Synonyms: boylike