The Full Monty
I was hoping to find the origin of the phrase the full Monty recently, but it remains elusive. Some sources suggest it refers to Field Marshal Montgomery. While there are anecdotal references to his habit of eating a full English breakfast before going into battle, as well as mention of his full and rigorous wartime briefing style and the full array of medals that adorned his uniform, there's no real evidence to support a connection.
Another suggestion is that the phrase was gambling slang for the pool of money to be won in the Spanish card game 'monte', but again this isn't verified.
The phrase has popularly gained the meaning 'to strip off completely' since the 1997 film The Full Monty. It's fitting then, that there's a possible clothing connection, too; Monty may refer to the tailor Montague Maurice Burton, supplier of men's suits in the early 1900s. His customers had the option of buying a standard two-piece suit or spending a little more and going for the full Monty – a three-piece suit, complete with waistcoat.
Of course it may be that the phrase is simply a corruption of 'the full amount', but I like to think there's more to it than that. If anyone has any other ideas, I'd be intrigued to hear them.