be on at
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To complain to (someone).
Register: informal
Where it’s used:
Used
American English
Examples
They've been on at us about cleaning the backroom for months.
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).
Common questions
What does “be on at” mean?
To complain to (someone).
Is “be on at” formal or informal?
be on at is generally informal.