To be completely fucked over and betrayed by someone you thought was a close and trusted friend.
Courtier: Ma'am, today's tabloids contain fresh allegations about the royal family. It appears we've been butlered once more.
From the title character in the classic movie "Ferris Bueller's Day Off".
To take time off work, in an unauthorised and if possible un-noticed way.
Most commonly to leave work for lunch with a few close friends and not come back.
Slacker1: How's it going?
Slacker2: Man. I pulled a bueller yesterday afternoon and my boss didn't even notice!