In Terry Pratchett's book Raising Steam, there is an explanation of the phrase "Have seen the big horse" where the author uses the sentence "Maybe it's a Big Horse I'm Morporkian". What exactly does this sentence mean?


2 Answers 2


It is a pun on ‘Maybe it’s because I’m a Londoner’, a song written to boost morale during World War II, by Hubert Gregg, but made famous by Flanagan and Allan as an expression of pride in London.

The song can be heard on You Tube if the Apple Music version on the Songfacts link above isn’t accessible.


It was a 'knock-knock' joke in the 1960s, when everyone knew the song.

Person 1: Knock knock.
Person 2: Who's there?
Person 1: M.A.B. is a big horse.
Person 2: M.A.B. is a big horse who?
Person 1: [Sings] A-maybe it's a-because I'm a Londoner. . .

  • 3
    I was too young to know that :D Have an upvote!
    – Spagirl
    Commented Mar 12, 2020 at 12:17
  • 2
    @Spagirl I was too old NOT to! Commented Mar 14, 2020 at 1:23

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