Some enterprising fund manager needs to create the "fat guy fund" with stocks focused on pizza, burritos, wings and beer. The fund would be an instant hit, because those stocks have performed very well this year.

The idea came from private trader Joey Fundora, who tweeted this week about a "fat guy fund" that could hold the following stocks: Domino's Pizza (DPZ), Chipotle Mexican Grill (CMG), Buffalo Wild Wings (BWLD) and the ADR shares of Fomento Economico Mexicano (FMX).

I think he's on to something here. Look at the six-month returns of these high-calorie stocks:

• Domino's: Up 43%

• Chipotle Mexican Grill: Up 28%

• Buffalo Wild Wings: Up 42%

Get Jim Cramer's take on Domino's excellent fourth-quarter earnings -- and why the company is a technology stock -- in the following video.

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The only odd choice here was Fomento Economico Mexicano, also known as Femsa. The problem is that Femsa isn't really a beer company. It's the world's No. 2 bottler of Coca-Cola, and it runs convenience stores in Latin America. Heineken bought Femsa's beer operations in 2010, giving Femsa a 20% stake in the Heineken group.

A better beer choice for the fat-guy fund would be Budweiser maker Anheuser-Busch Inbev (BUD), which has seen a 23% share gain in six months. Or even Boston Beer Co. (SAM), which is up 18% in six months, although the stock has plateaued lately.

Fundora's point, although made in jest, is well taken. The economy is coming back and people have more money for the small luxuries in life, including those high-calorie treats.

Oh, and another stock on fire lately is Vivus (VVUS), which is developing an important new weight-loss drug. Coincidence?