shrapnel

noun5

1. •
   Any shot, fragments, or debris thrown out by an exploding shell, bomb, or landmine.
2. •
   (historical) The bullets or balls from the aforementioned type of artillery shell.
3. •
   (figurative) Debris.

   • The dog ate my sandwich, and there was shrapnel all over the place from him tearing open the bag.
4. •
   (slang, figurative) Loose change.

   • I was waiting in the queue, looking at the board / Wondering whether to have a burger or chips / Or what the shrapnel in my back pocket could afford — 2004
5. •
   (historical) An anti-personnel artillery shell used in World War I which carries a large number of individual bullets or balls close to the target and then ejects them to allow them to continue along the shell's trajectory and strike the target individually.