- Use archaic slang: ‘You stupid berk’. Berk is short for Berkshire Hunt. Which is cockney rhyming slang.
- Make up your own slang and then submit it to a modern dictionary: ‘You stupid twunt’. This was popularised by a Scaryduck blog, but is believed to originate from Chris Morris. Or ‘You fadge’ from Roger’s Profanisaurus.
- Copy a famous person: ‘You’re not fit to manage a whelk stall’ – Winston Churchill