[muhm-buh
l-tee-peg] 
| 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. |
[muhm-buhl-dee-peg] , mumble peg, mum⋅ble-the-peg [muhm-buhl-thuh-peg] , mum⋅ble⋅ty-peg, mum⋅bly-peg [muhm-blee-peg] .