Question

(to) pass the buck It's your fault. Don't try to pass the buck!origin: This expression comes from the world of poker. In the nineteenth century, a knife with a buckhorn handle (the "buck") was passed to the next dealer when it was his turn to give out the cards.

Accepted Answer

to shift the blame; to blame somebody else

Idiom	(to) pass the buck
Meaning	to shift the blame; to blame somebody else
Example	It's your fault. Don't try to pass the buck! origin: This expression comes from the world of poker. In the nineteenth century, a knife with a buckhorn handle (the "buck") was passed to the next dealer when it was his turn to give out the cards.

Pass Buck Shift Blame Fault Origin Expression World