In the UK we only really know of the word being a shortened form of "lunatic". When we use the word it therefore means more that the person is a tad...
Ya' know, I can't find anything here to disagree with. Other than the supercilious tones that are Tiassa's hallmarks (bless his heart) he's spot on....
Sex can be pretty good and you can find friends with benefits to be quite rewarding. In other words you don't need a relationship to have a sex life....