CLEVELAND - By Kimberlee Rohrer, The List

It’s lunch hour, your stomach is grumbling, and that peanut butter and jelly sandwich you brought from home just isn’t going to cut it.  Now more than ever, there’s a variety of gourmet food options within walking distance, but if you’re not careful, you could walk away empty handed.

In downtown Cleveland, food trucks gather to offer a combination of culinary delights at the height of the lunch hour.  However, the hundreds of hungry people spilling onto the streets from the offices above are unknowingly stepping into possible “Seinfeld Soup Nazi territory.”

Telling customers to buzz off is not smart business and it’s very rare, but customers can be demanding. 

Operators say there is some simple food truck ordering etiquette to make things easier on them – and guarantee you walk away with some grub.

“When we’re super busy, don’t change anything.  If you don’t like it pick it off,” said one operator.

The biggest pet peeve at Sandy Madachik’s truck called Umami Moto, are the people who don’t read the menu in advance even though they have been waiting in line for 20 minutes.

“We’re going a 100-million miles per hour and they’ll wait in line and go hey, ‘So what do you have today?’” Madachik said.

Another pet peeve are people who forget to listen for their name after they order. 

“Nobody knows their name.  They’ll come up. Their name is Paul and you yell, ‘Diane your food’s ready.’ They come running up to the truck, and it’s Paul. This isn’t you buddy, not yet!” Madachik said.

Lunch hour is busy and when food isn’t coming out fast enough, customers get fired up.  But if you don’t follow the rules, you'll end up waiting even longer.