Have a gawp at the glossary of my Encyclopedia of Unusual Sex Practices:

• Zelophilia: arousal from jealousy
• Tripsolagnia: arousal from having hair shampooed
• Thesauromania: compulsion to collect objects or clothing belonging to females
• Strabismus: arousal from eyes of partner
• Siderodromophilia: arousal from trains
• Sleeping princess syndrome: those aroused by partner who appears to be sleeping
• Robotism: attraction to or the use of robots in sex play
• Salirophilia: person ingesting human sweat or saliva
• Pie throwing: arousal from being hit with a pie
• Ozolagnia: arousal from odours
• Oculolinctus: licking partners eyeball
• Nasolingus: arousal from sucking nose of partner
• Maschalophilous: arousal from armpits
• Maieusiophilia: arousal from pregnant women
• Kokigami: the wrapping of the penis in a paper costume
• Iantronudia: arousal from exposing oneself to a physician, usually by faking an ailment
• Homilophilia: sexual arousal from hearing or giving sermons
• Gregomulcia: arousal from being fondled in a crowd
• Frottage: rubbing body against partner or object for arousal
• Dendrophilia: arousal from tree or fertility worship of them
• Capnolagnia: arousal from watching others smoke
• Autoerotic asphyxia: arousal from oxygen deprevation
• Asthenolagnia: arousal from weakness or being humiliated

Yes I know. I like to read books backwards.