Don't read further if you don't want to spoil your quiz:

The Grand Duke was dancing a foxtrot with me
When suddenly Cyril screamed Fiddledidee
And ripped off his trousers and jumped in the sea,
I couldn't have liked it more

From I've Been To A Marvellous Party (from Set To Music).

and

Though Indian army officers can read
A bit
Their verbal wit - has rather run to seed.

As Dave said from I Wonder What Happened To Him (from Sigh No More)

Mick