oncer
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A fan of the television series Once Upon a Time.
Register: slang
Where it’s used:
Used
American English
Examples
And fun because, well, he gets to interact with “Oncers” at fan events like PaleyFest and Comic Con […]
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 “oncer” mean?
A fan of the television series Once Upon a Time.
Is “oncer” formal or informal?
oncer is generally slang.