A bean burger is a joke referring to the vagina. The bean referring to the clitoris and the burger referring to the labia. It is most commonly used to offend someone (usually a girl) by saying they like bean burgers and therefore saying they are a lesbian.
Flicking the bean after choppinganything hotter than a jalapeno with no gloves. Commonly happens when you are in a hurry to make salsa or some related type of dish.
Rachael winced as she flicker her burning bean, suffering from a classic case of Bean Burners Syndrome.