Shirabe

腕白わんぱく

Common I-adj Noun
English jmdict
1
adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi) word usually written using kana alone naughty;mischievous;unruly
あのわんぱく小僧のいたずらには閉口する。
That naughty boy annoys me by his pranks.