let it be on (one's) head(redirected from let it be on their head)
let it be on (one's) head
It will be considered one's sole responsibility to bear. You know that what you're doing is wrong, so if you get caught cheating, let it be on your head. I want nothing to do with his ridiculous scheme. If he wants to flout the law, let it be on his head!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.