'mumble-the-peg' definitions:

Definition of 'mumble-the-peg'

(from WordNet)
noun
A game in which players throw or flip a jackknife in various ways so that the knife sticks in the ground [syn: mumblety-peg, mumble-the-peg]

Definition of 'mumble-the-peg'

From: GCIDE
  • Mumbledy peg \Mum"ble*dy peg`\, Mumblety peg \Mum"ble*ty peg`\, n. 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. [PJC]