It's another way to call a wild plum class of poor quality. It can also mean humorist, clown, as a mixture of the jocular and comic palábras.
jocómico- refers to a species of plum, wild shrub, small, thorny, bright green oval leaves with a strong aroma of almonds, pale flowers, yellow or orange-red fruits, of pleasant flavor. Generally, it has its habitat in forested regions.