The message in this greeting card ‘I combed it especially for you’ is a pun on the word ‘comb’, the fleshy red skin on a cockerel’s head. And the reasoh why the cockerel’s comb is red is that it contains hyalururonan, or hyaluronic acid as it is also called, The word comb comes from ‘gambha’…

The time to unravel the sheep baa code is of course a joke. The sheep illustrated in this Baa Code greeting card is of course a pun on the words ‘bar’ and ‘baa’. Of course, it works best in British English which does not have the retroflex ‘r’, so the two sounds are similar –…