"Poppy" is a British slang term for money, originating from Cockney rhyming slang where "poppy red" rhymes with "bread" (a common synonym for money). Historically, it has also been used in British slang to refer to paying a debt or general cash.
The word was later extended to other instances of the number three. These seem originally to have been Australian and include a sum of three pounds, or odds of three to one, or car dealers' slang for a sum of three hundred pounds.
I'm going after the loot!" Loot most often means money, especially the kind of money you didn't get legally. Loot is right up there with booty and swag in the family of words for stolen or pillaged things.
Common slang for $1,000 includes grand, K (from kilo), rack, stack, and band, with "grand" being a widespread term and "K" popular in digital contexts; "rack" and "band" often appear in hip-hop, while "stack" can imply more than $1,000, and "dime" is used in gambling.
For example, both Canadians and Americans refer to a $100 note as a C-note, but an American might refer to it as a Benjamin, or a "Benji" after its portrait of Benjamin Franklin.
For £50, common Cockney slang terms include "Bullseye," referencing the bullseye on a dartboard for hitting the number 50, and also "Half a Ton," as £50 is half of £100 (a "ton"). Other less common or related terms might be "Pinky" (for the note) or even "Nifty," though these aren't as universally known as Bullseye.
cheddar. There are several theories as to why the cheesy slang cheddar is used to refer to money. According to the most popular theory, cheddar referred to government cheese found in welfare packages. From there, it was used to refer to money (i.e., benefits) from the government rather than the cheese.
MONKEY. Meaning: London slang for £500. Derived from the 500 Rupee banknote, which featured a monkey. EXPLANATION: While this London-centric slang is entirely British, it actually stems from 19th Century India.
In the Uk, a fiver is 5 pounds - it is also referred to as a 'Deep sea diver' in Cockney rhyming slang A nine to five - is a standard job where you work between 9.
(British, informal, from Cockney rhyming slang, used especially in negative constructions) A word; a brief chat. We've not heard a dicky-bird about anything relating to his birthday. (British, informal) A small thing.
nicker = a pound (£1). Not pluralised for a number of pounds, eg., 'It cost me twenty nicker..' From the early 1900s, London slang, precise origin unknown.
Sometimes "Gertie Gitana" (a music hall entertainer) was substituted for the refrain, leading to "Gertie" becoming Cockney rhyming slang for banana the usage of which continues to the modern day.
Before the age of television and computers, in homes all over London Saturday night was the night for a good old 'ding-dong' – official Cockney rhyming slang for a 'sing-song' – around the 'old Joanna”, with families gathering around the piano to sing songs learnt off by heart and passed down through the generations.
Lolly: This weird name for money was originally short for lollipop. It entered British slang as a term for money in the mid-20th century. But no matter where you're from, most everyone agrees money is sweet. Loot: “Loot” is one of the old words for money we still use today.
