£5 note. Casual term.United Kingdom, English. First appeared in the 1800s.“I’ve got a fiver in my wallet.”
“Can you change a fiver?”
UK, Ireland

Slang Description: fiver

A “fiver” simply means a £5 banknote.
Origin: Straightforward — it’s just a descriptive nickname that stuck in the 19th century.
Who used it first: Everyday British shoppers and tradespeople.
Modern use: Common in all parts of the UK.

Examples in conversation:

  • “This coffee cost me a fiver.”
  • “Do you have a spare fiver?”

Learn More British Slangs from Xaplor.com