How can I delete my forum?

Can I delete mine?
Once there are replies you can't delete it. Before that there's an option on the sidebar on the website.
no no no!!!!! deleting one must live by the words one said's i have on many occasions when i hit the send button regretted what i said but then i should have been more careful before i said like i was talking to a real person in front of me - instead of just blurping something out- off the top of my head --
Can I delete mine?