A term used to descibe the guards around the Tower of London, where the Crown jewels are kept. These are ceremonial guardians acquired this term from their high protein diet of meats. The guards original duties included looking after the prisoners, but since the Tower of London is a tourist attraction now they act as tour guides.
On my last vist to the Tower of London, I took a picture with a Beefeater.
An act intended to save a person money, with horrid results when drunk.
By telling the taxi to stop a few hundred metres down the road from his house, Joe had comitted a mighty act of beeravery. The police found his body in the estruary a week later.