O.O.
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A brief glance or visual examination (typically of a person).
Register: slang
Where it’s used:
Used
American English
Examples
After giving the town the once over, or as Tad puts it, the ‘O.O.’ […].
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 “O.O.” mean?
A brief glance or visual examination (typically of a person).
Is “O.O.” formal or informal?
O.O. is generally slang.