blow someone's brains out

1.
generalvulgarinformal
- To shoot and kill someone by firing at their head; to cause death by a gunshot to the head.
2.
generalinformalfigurative
- To astonish, overwhelm, or stun someone mentally or emotionally (figurative use).

Examples:

EN: It's nothing for me to blow someone's brains out, believe me.
ES: No me cuesta nada volarle la cabeza a alguien, créeme.
ID: Tak masalah bagiku jika harus menembak kepala seseorang, percayalah.
EN: Jesus Christ, if I were going to get Gazelle to blow someone's brains out, I'd get her to kill whichever chinless Eton buttfuck of an Education Minister that's telling us we're not hitting our fucking targets!
ES: ¡Dios Santo, si quisiera hacer que Gazelle... le volara la cabeza a alguien, habría hecho que matara... al maricón sin carácter graduado en Eton del ministro de educación... que nos dice que no alcanzamos los putos objetivos!
EN: He didn't blow someone's brains out with a hunting rifle.
ES: No le voló el cerebro a alguien con un rifle de caza.
ID: Dia tidak menembak kepala Seseorang dengan senapan berburu.