All-nighter

American Slang

Definition

Staying awake through the entire night, typically to finish work or study.

Examples

"I had to pull an all-nighter to finish my lab report before the 8 a.m. deadline."

"She’s running on fumes after pulling an all-nighter to cram for finals."

"We pulled an all-nighter at the office to get the presentation ready for the client."