1.) A fetish that socially awkward and/or unattractive white men develop after years of rejection from white women.
2.) It's consider the mirror equavalent of fat white girls, who have been rejected by caucasian men, developing a fetish for black men.
After years of rejection from white females, nerdy but lovable, Fred Eisenberg, finally resorted to dating an asian girl and now is said to have an asian fetish.