泊とまり込こむ

godan verb (-mu), intransitive verb

stay overnight; stop at a hotel

Implies staying somewhere overnight, often with the nuance of settling in for the night, such as at a hotel, a friend's place, or even at work.

• 仕し事ごとが忙いそがしくて、会かい社しゃに泊とまり込こんだ。

  I was so busy with work that I stayed overnight at the office.

• 旅りょ行こう中ちゅうは安やすいホテルに泊とまり込こんだ。

  During the trip, I stayed at cheap hotels.