luser
nounUK /ˈluː.zə(ɹ)/
Etymology Blend of loser + user.
1
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences Derogatory, Slang An incompetent computer user.
2
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences Derogatory, Slang A user (especially in IRC) who disobeys the rules of the servers that they are using and usually resorts to disruptive or offensive behavior.