knock in
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
To enter college after hours—after half-past ten at night when the doors have been locked.
Where it’s used:
Used
American English
Examples
"Close the oak, Jem," said Horace Eglantine, "and take care no one knocks in before we have knocked down the contents of your master's musical melange."
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
To pot (a ball)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
To score (a break)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “knock in” mean?
To enter college after hours—after half-past ten at night when the doors have been locked.
Is “knock in” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.