noun, noun or participle which takes 'suru'
triple all-nighter; staying up all night three nights in a row
Slang term used among students or in casual contexts to describe pulling three consecutive all-nighters, often for studying or work deadlines.
試験前に三徹するのは体に悪いよ。
Pulling three all-nighters before exams is bad for your health.
He finished the project by staying up all night for three nights straight.