The terms monkey, meaning £500, and pony, meaning £25, are believed by some to have come from old Indian rupee banknotes, which it is asserted used to feature images of those animals, but this is untrue as no Indian banknotes have featured these animals.

Kettle and Hob is Cockney slang for Watch. “Nice new Kettle you’re wearing mate.” These were called fob watches, and it’s from this expression that we get Kettle and Hob for watch.

Sticky Toffee is Cockney slang for Coffee.

“Derby Kell” is old Cockney rhyming slang for belly (“Derby Kelly”). It uses the word kite (also kyte), a dialect word, originally derived from an Old English word for the womb which, by extension, came to mean the belly.

“Tummy” is one slang word. Slang words for “stomach” include “tumtum”, “tummy”, and “belly”.

Derby Kelly is Cockney slang for Belly.

A similar example is “Joanna” meaning “piano”, which is based on the pronunciation of “piano” as “pianna” /piˈænə/. Unique formations also exist in other parts of the United Kingdom, such as in the East Midlands, where the local accent has formed “Derby Road”, which rhymes with “cold”.

Kite: originally meant a worthless bill or cheque. Hence you would say “I am going to fly a kite” means you are going to pass a bad cheque. The word seems to now mean any cheque (bad or not).

The most widely recognised Cockney rhyming slang terms for money include ‘pony’ which is £25, a ‘ton’ is £100 and a ‘monkey’, which equals £500. Also used regularly is a ‘score’ which is £20, a ‘bullseye’ is £50, a ‘grand’ is £1,000 and a ‘deep sea diver’ which is £5 (a fiver).

To “pony up” in America is to pay some amount you owe, usually a large amount of money. Also, a “pony” could be a cheat sheet or other material used in a test by students. In Cockney slang “pony” means 25 £ which is “25 pounds sterling” or just “25 pounds” in common British usage.

The song’s lyrics, which refer to riding “the white horse” and “the white pony”, have been interpreted as references to heroin and/or cocaine use. Rolling Stone described “White Horse” as “[p]erhaps the most unconvincing anti-drug song of all time”.

Meaning: Rubbish; nonsense, or ‘of poor quality’. Often shortened just to ‘pony’. This is Cockney rhyming slang – pony and trap -> crap.

In 1896, a film was made about Barnet Fair, entitled Barnet Horse Fair. The term ‘Barnet Fair’, normally shortened to ‘Barnet’, has become rhyming slang for ‘hair’. “Barnet Fair” is the name of a song by Steeleye Span.

Summary. The term Jimmy Riddle is rhyming slang for going pee or having a piddle.