Mumbledy peg /(?)/

Mum·ble·dy peg

Mumbledy peg

n.
  1. A game played with a pocketknife, the object of which is to throw the knife in any of a vairety of ways (such as over the back), or from various positions, and have it stick in the ground or another surface. Also called mumble-the-peg and mumble peg.