完かん徹てつ

noun, noun or participle which takes 'suru', intransitive verb

all-nighter; staying up all night

Colloquial abbreviation of 完全徹夜. Used for pulling an all-nighter, especially for work or study.

• 昨日きのうは完かん徹てつでレポートを仕し上あげた。

  I pulled an all-nighter yesterday to finish the report.

• 完