be on (one's) (own) head
(redirected from be on her own head)be on (one's) (own) head
To be something that one is personally responsible or to blame for. You chose to break the law, so it's on your head if you get arrested for it.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
be on someone's (own) head
be someone's sole responsibility.Farlex Partner Idioms Dictionary © Farlex 2017