Nagareculpist
A Nagareculpist is a person who blames everything on someone else. They swear like a sailor, they yell like a monster, and they act like they’re the only one who’s ever been wronged.
I didn’t steal your lunch. The lunch was stolen by a lunch thief. And it was a very sneaky lunch thief.
You told me to do it. I was just helping you. You’re the one who’s in trouble.
I didn’t break your phone. The phone broke itself. And it was a very dramatic phone.