noun. A small ball of chewing gum with a colored sugar coating.

noun. One of the round prickly fruits of a sweet gum tree.

noun. A piece of chewing gum in the shape of a ball, usually covered with a colored glaze of sugar. They are often sold in a small, special-purpose coin-operated vending machine called a gumball machine.

noun. Chewing gum sold as a ball usually coated with colored hard sugar.

noun. A silly, laughable person.

noun. a ball of chewing gum with a coating of colored sugar

"The Homies -- tiny LA Chicano gangsta figurines sold in gumball machines -- are drawing fire from the LAPD, who want their sale discontinued on the grounds tha they provide a poor role model for Hispanic children."