With the possible exception of St Paul the Apostle's epistles to the Corinthians, the funniest letters in the world appear on Viz Comic's Letterbocks page.

'These so-called speed humps are a joke. If anything they slow you down.' Tim Wakefield, Surrey

'What a lot of nonsense this tantric sex is. So Sting can delay his climax fo seven hours. That's nothing. I've been banging my missus for forty years and she's not had an orgasm yet.' P. Collins, Colchester

It'll keep you laughing for hours. Especailly if you're breathing nitrous oxide and not a very fast reader.