mib

noun1

1. •
   A marble (glass ball used in games), especially one used as a target.

   • On my first shot of the last game, I hit two mibs, my shooter and one marble exiting the ring, but leaving a snooger, which is a “commie rat” target marble near the rim of the ring. — 2002

adjective1

1. •
   mint in box

noun4

1. •
   (US) Initialism of man in black.
2. •
   [in the plural] (US) Initialism of men in black.
3. •
   Initialism of methylisoborneol.
4. •
   Initialism of motion-induced blindness.