bone in (one's) leg
(redirected from bone in their legs)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?
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
a bone in your leg (or head)
a (feigned) reason for idleness. informalFarlex Partner Idioms Dictionary © Farlex 2017