perfrexionist
a combination of the words "perfectionist" and "anorexic." Someone, usually male, who cannot imagine being attracted to woman whose lower abdomen is convex or whose body has adipose tissue that disturbs the continuity of her lines.
You can call me shallow, but if sex is the only activity that is not allowed outside a committed relationship, then I'm going to make sexual attraction my first priority in a partner; in my case, that makes me a perfrexionist.