Demarco'd
When someone makes a mistake then blames another for it.
Kris, "You put XXX amount when it should have been YYY amount."
David, "It's your fault that you didn't catch it in the first place."
Bob, "You've just been Demarco'd."
David, "It's your fault that you didn't catch it in the first place."
Bob, "You've just been Demarco'd."