Definition of deadleg:
(n) :
A lazy or weak person.
(n) :
(sports) A movement in which the hips and knees are kept straight and stiff and the ankle is flexed.
(v) :
(transitive) To knee someone in the thigh.
(n) :
An isolated section of pipeline that does not usually carry a flow.
(n) :
(shipping) A vehicle that is traveling on a leg of its route in which it does not carry any cargo.
(n) :
Alternative form of dead leg (injury to the upper thigh) [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.]