noun
A hairstyle where the hair is cut straight around the head at about ear level, often with bangs. Associated with young boys, hence the name 坊ちゃん (young master).
小学生の頃、坊ちゃん刈りにしていた。
When I was in elementary school, I had a bowl cut.
あの子の坊ちゃん刈りがとても似合っている。
That child's bowl cut really suits him.
おかっぱ is a similar bob-like cut but typically associated with girls, while 坊ちゃん刈り is for boys.
From 坊ちゃん (young master, boy) + 刈り (cutting, from 刈る 'to cut'). Refers to a haircut commonly given to young boys.