Sexual disorders or paraphillias can of various types such as:
Exhibitionism: That revolves around showing private parts to others as a compulsion.
Fetishism: Means having sexual energies associated with objects and materials like leather and rubber. These can be clothing objects or shoes as well. People chronically dependant on pornography also come under this category.
Frotteurism: This is the desire of rubbing against strangers for sexual satisfaction.
Pedophilia: Adults who fantasize or engage in sexual activities with prepubescent children.
Sexual masochism and Sadism: This includes getting involved in the sexual act being focused on sadism and masochism.
Voyeurism: Also called peeping tom behavior is spying on others to see them while they disrobe themselves.
Historically homosexuality was also termed as one of the sexual deviances however now it is recognized as a completely normal variant of human sexuality.