to enter / put into a cage [written and colloquial]
Definitions (粵典–words.hk)
動詞、俚語
同坐監 to go to prison; literally: to enter cage
Examples (粵典–words.hk)
Cantonese
未食五月粽，寒衣不入笼
未食五月糭，寒衣不入籠
Please don't put your winter clothes into the box before Dragon Boat Festival. (A reminder that suggests people should not take off their winter clothes before Dragon Boat Festival since the weather may still be a bit cold around June)