noun, noun or participle which takes 'suru', transitive verb
buying and eating snacks; between-meal snacking
Often used for children buying sweets or snacks with their own money and eating them on the spot. Can also refer to adults buying food to eat immediately.
子供たちは駄菓子屋で買い食いをしている。
The children are buying and eating cheap sweets at the candy store.
学校の帰り
I used to look forward to buying snacks on the way home from school.