a children's game played with a pocketknife, the object being to cause the blade to stick in the ground or a wooden surface by flipping the knife in a number of prescribed ways or from a number of prescribed positions.
Also, mumbledepeg, mumbledypeg
[muhm-buh l-dee-peg] /ˈmʌm bəl diˌpɛg/ Show IPA, mumble peg, mumble-the-peg
[muhm-buh l-thuh-peg] /ˈmʌm bəl ðəˌpɛg/ Show IPA, mumblety-peg, mumbly-peg
[muhm-blee-peg] /ˈmʌm bliˌpɛg/ Show IPA.
Origin 1620–30; from phrase mumble the peg (see mumble); so named because the losing player was formerly required to pull a peg from the ground with his or her teeth
(US) a game in which players throw a knife in various prescribed ways, the aim being to make the blade stick in the ground
[C17: from mumble the peg, a loser in the game being required to pull the knife out of the ground using the teeth]