From Merriam-Webster Online:
Main Entry: fe·tish
Function: noun
Etymology: French & Portuguese; French fétiche, from Portuguese feitiço, from feitiço artificial, false, from Latin facticius factitious
1 a : an object (as a small stone carving of an animal) believed to have magical power to protect or aid its owner; broadly : a material object regarded with superstitious or extravagant trust or reverence b : an object of irrational reverence or obsessive devotion : PREPOSSESSION c : an object or bodily part whose real or fantasied presence is psychologically necessary for sexual gratification and that is an object of fixation to the extent that it may interfere with complete sexual expression
2 : a rite or cult of fetish worshipers
3 : FIXATION
(Emphisis added)
Kissy, Bertha
If ever a fixation on a woman's behind becomes a "fetish" then it's time to cancel the human race!
So, you think a man has a fetish if he can't be aroused by a woman who literally has no butt?