This a simple explanation.
For one, make sure your an op in a channel. If you are not,
dont read on, you wont use this option. If you are, then read
Simply put, if somone ticks you off or spams, or any other
reason why you would want to perm ban them from your channel,
add them to your shitlist. Right click on their nick n go to
Omega Authority, an to shitlist and add them, and you will never
see them again, except for the times they decide to come back
in the future an they are harsly banned as soon as they enter.
It will even remove the ban after time goes by automatically
to help prevent the ban list for your channel form filling up.