Luser may refer to any of the following:
When referring to IRC, luser is a command that displays the local and global users connected to a server. To run this command, type /lusers when connected to an IRC server.
Luser is slang often used as a derogatory term to describe a user that is annoying or otherwise a loser.
Short for Local user.
Computer abbreviations, Computer slang, Llama, Software terms
