くれてやる

expression, godan verb (-ru)

give; do for someone

Casual or masculine expression meaning 'to give' or 'to do something for someone'. Often implies a downward or familiar relationship, similar to あげる but more rough or intimate. Can also be used in a threatening or defiant tone.

• 弟おとうとにゲームをくれてやった。

  I gave my little brother a game.

• そんなに欲ほしいなら、くれてやるよ。

  If you want it that badly, I'll give it to you.

• 手伝てつだってくれてやるから、安あん心しんしろ。

  I'll help you out, so don't worry.