1. Plural of mib; small glass or stone balls used in the children's game of marbles.
Usage: informal; chiefly North American

Examples

• The children traded mibs on the playground during recess.
• He won a handful of mibs in the marble game.
• She kept her collection of colorful mibs in a cloth bag.
• The kids shot their mibs across the circle drawn in the dirt.
• My grandfather still has a jar of vintage mibs from his childhood.