e-tattle
You email someone and copy everyone who can make your life a living hell just to show off that you know what's going on and that you're the only one who cares.
He messed up the numbers, so I emailed him and my boss, my boss's boss, and the receptionist.
She got yelled at, so I sent it to her and the whole department.
He forgot to send the file, so I emailed him and his boss, the client, and my dad.