dead-leg

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

    A blow to the upper thigh, crushing the muscle against the bone and crushing the nerve cluster next to the quadriceps. Also, the resulting injury.

noun
  1. 1

    A lazy or weak person.

  2. 2

    An isolated section of pipeline that does not usually carry a flow.

  3. 3

    A movement in which the hips and knees are kept straight and stiff and the ankle is flexed.

  4. 4

    (shipping) A vehicle that is traveling on a leg of its route in which it does not carry any cargo.

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