When you think something/someone is unnecessary, unworthy, funny and/or retarded.

anything to do with sex, sex appeal or sexual attraction

Is a thing or person that has an addiction of doing your head in. They constantly find a way to piss you off or shit you in every possible way that there is. Most of the time they don't even realise they are doing it. Normally a person with this disability is very competitive and challenge all others stories. They are not commonly bright.