4D
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Having a quirky or oddball personality.
Register: slang
Where it’s used:
Used
American English
Examples
Being considered 4D is usually when an idol behaves and acts differently or strangely compared to the usual Korean standards.
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).
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Common questions
What does “4D” mean?
Having a quirky or oddball personality.
Is “4D” formal or informal?
4D is generally slang.
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