luser
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
An incompetent computer user.
Register: derogatory, slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
A user (especially in IRC) who disobeys the rules of the servers that they are using and usually resorts to disruptive or offensive behavior.
Register: derogatory, slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “luser” mean?
An incompetent computer user.
Is “luser” formal or informal?
luser is generally derogatory, slang.