Adjective - A woman of equal or superior value on a pornographic website (or in reality for that matter) that has a wild obsession with awkward or unusual fetishes.
Proper Noun - The name you use to address a woman who you are currently being used by in the act of sex, usually being the fetishes of bondage or biting, or anything of the related sort. Used as an endeering aknowledgement or in a sign of lustful respect.
adj. - "Dude, it was so sick. I was surfing the web and I found some fetisha chick on this site, and she was HOT!!!"
p. n - "Hit me harder!!! Fetisha! Make me your slave!"