What’s the Opposite of "Recessivore?"

If a recessivore is someone who is changing their eating habits due to reduced economic circumstances—more lentils and ramen, less fancy stuff—then what do you call people who are merrily consuming ever-more expensive items?

We’ve already covered the $975 dinner and the $13 coffee—today we bring you the $160 cocktail and the $89 steak-and-eggs breakfast.

Gross.

—Snacktime