be on someone's 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. No, I accept the consequences. I knew it would be on my own head if we got caught trying to sneak out. The boss knows you're in charge of this account, so it's on your head if we lose it!

See also: head, on

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

be on someone's (own) head

be someone's sole responsibility.

See also: head, on

Farlex Partner Idioms Dictionary © Farlex 2017