Meaning of all-nighter
Pronunciation: (ôl'nī'tur), [key]
— n. Informal.
- something that lasts, is available, or is open for business throughout the night: The poker game turned into an all-nighter. Are any of the grocery stores all-nighters?
- an act of staying up all night, as to study or finish a task: I had to pull an all-nighter to get the paper done on time.