A study
or work session that goes through the night; studying without sleep (
usually a last-minute course of action ).
Example:
1) We
pulled an all-nighter to finish the report.
2) I
pulled an all-nighter to study for my math exam.
Etymology:
The
term is popular with college students who spend the night before an exam
studying ( or ‘cramming’ ), trying to learn a lot of material in a short
period of time. The term is frequently used in the phrase ‘ pull an
all-nighter ‘.