four oh four
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
a naive or clueless person.
Register: slang
Where it’s used:
Used
American English
Examples
Yup, clueless in Seattle, a 404 if I ever saw one.
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 “four oh four” mean?
a naive or clueless person.
Is “four oh four” formal or informal?
four oh four is generally slang.