on one's head

1. Also, on one's own head. As one's responsibility or fault, as in If the police catch you speeding it's on your own head. This idiom, dating from the 1300s, conjures up the image of blame or guilt falling on someone's head. Also see off one's head.

Related Words

• convicted 
• culpable 
• liable 
• remorseful 
• responsible 
• sorry 
• wrong