peg leg

/P EH1 G L EH0 G/
noun
  1. 1

    A wooden leg, usually tapered, strapped onto the stump of an amputated leg.

verb
  1. 1

    To limp or hobble (having or imitating having a wooden leg)

  2. 2

    To appear or detect in a discontinuous fashion.

Source: https://en.wiktionary.org/wiki/peg%20leg, https://en.wiktionary.org/wiki/peg-leg