Meaning "drunk," a catchphrase popularised by the British satirical magazine Private Eye in 1967 after being used in a spoof diplomatic memo to describe the state of Labour Cabinet minister George Brown.
The party dragged on too long, Sam kept getting shot down by the girls he spoke too, and by dawn you could say he was tired and emotional.
Military Intelligence, Section 5, or MI5, the British Security Service, as shown in the TV show "Spooks" (called "MI-5" in U.S. broadcasts). Responsible for counterespionage and domestic security, roughly analogous to the FBI. Based in Thames House on Millbank, London.
That guy in the suit is in Five, I'm sure of it. See how he's looking at us?