ohajiki; traditional children's game similar to marbles
A traditional Japanese children's game played with small, flat, coin-shaped pieces of colored glass or plastic. The pieces themselves are also called おはじき.
When I was a child, I often played ohajiki.
My grandmother showed me the ohajiki pieces she used to play with.
Colloquial slang, derived from the resemblance of the game pieces to bullets or from the flipping motion. Used in casual or underworld contexts.
See also: はじき
In the detective drama, there was a scene where the criminal said, 'Bring the piece.'