かち割わる

godan verb (-ru), transitive verb

hit and break open; smash; crush

Colloquial verb for striking something hard to break it open, such as ice, nuts, or a hard shell. Often implies a forceful, decisive action.

• 冷れい凍とう庫こから出だした氷こおりをかち割わって、グラスに入いれた。

  I smashed the ice from the freezer and put it in the glass.

• クルミを金かなづちでかち割わる。

  I crack walnuts open with a hammer.