also: そくぎれ
noun, noun or participle which takes 'suru'
instantly snapping; sudden outburst of anger
Slang term for losing one's temper immediately, often over something trivial. Derived from 即 (instant) and キレる (to snap).
See also: キレる
彼はちょっとしたことで即ギレする。
He snaps instantly over the smallest things.
あの先生、すぐ即ギレするから怖い。
That teacher is scary because he flies into a rage right away.