"You want to be careful with those. When they say every flavour, they mean every flavour - you know, you get all the ordinary ones like chocolate and peppermint and marmalade, but then you can get spinach and liver and tripe. George reckons he had a bogey-flavoured one once."
Bertie Bott's Every Flavour Beans were jelly beans manufactured by Bertie Bott. Consumers had to be wary of what kind of bean they ate, as there were a myriad of different flavours, some not nearly as tasty as others.