Rhyming slang and toad" (the main road) and "apples and pears (stairs), as well as many more obscure examples, e.g. "Battle of the Nile" (a tile, a vulgar term for a hat), "Duke of York" (take a walk), and "Top of Rom" (home). It remains a matter of speculation whether rhyming slang was a linguistic accident, a game, or a cryptolect developed intentionally to confuse non-locals. If deliberate, it may also have been used to maintain a sense of community, or to allow traders to talk amongst themselves in marketplaces in order to facilitate collusion, without customers knowing what they were saying,
Slang terms for money referred to as a "bag" (from the rhyming slang "Bag of Sand"), e.g., £4,000 would be called 4 bags. A "oner" (one-er) has referred to various amounts from one shilling to a pound, to now meaning £100 or £1,000, and a "big one" denoting £1,000. A "oncer" referred particularly to a one-pound note, now defunct. It is also fairly common now in the UK to count backwards from these large denominations using the word "down", e.g. £380 might be "four ton, 20 down" in UK slang. Other rhyming slang expressions for particular quantities of money in the United Kingdom include: