Short for "Tindal Centre", a centre for the treatment of
mental illnesses.
The word "tin" is used to describe someone when they have got something wrong or have committed an
act of stupidity.
Fred: Oh my god, Gerald is such a tin.
Edgar: Why? What did he do this time?
Fred: Today in
lunch he ran into a
wall when he was chasing after the football...
Edgar: What a tin act.