怒おこりん坊ぼう

noun

short-tempered person; irritable person

Colloquial, often used for children or in a teasing way. Describes someone who gets angry easily.

• うちの弟おとうとは怒おこりん坊ぼうで、すぐに怒おこる。

  My little brother is short-tempered and gets angry quickly.

• あの子こは怒おこりん坊ぼうだから、からかわないほうがいいよ。

  That kid is irritable, so you'd better not tease him.