bone in (one's) leg

bone in (one's) leg

obsolete An invalid or fictitious excuse for being idle or lazy. You don't want to dance? Why, is there a bone in your leg?
See also: bone, leg
Farlex Dictionary of Idioms.

a bone in your leg (or head)

a (feigned) reason for idleness. informal
See also: bone, leg
Farlex Partner Idioms Dictionary
See also:
  • a bone in your leg
  • be bone idle
  • have a bone on
  • leg
  • bone out
  • doesn't have a (certain kind of) bone in (one's) body
  • unkind
  • crazy bone
  • bone dry
  • out of joint