Sir Iain Moncreiffe of that Ilk in his book The Highland Clans has a photo of the skull of one of the Earls of Moray (15th century I think), mounted in silver with acorns for feet, used by his descendants as a drinking bowl. He deadpans, "But, as it tends to leak, it's better for keeping nuts on the sideboard."
Oopsie! BBC not wishing to reveal ‘uncivilized’ British past, ahem*
Here is another story by those wicked Canadians!!!
http://www.montrealgazette.com/Cannibal+Britons+drank+from+skulls/4295928/story.html
“...
suggests ancient Britons indulged in cannibalism and drank from the skulls of their victims.”
Well, I’m sure they washed them first.
History of genteel practice of tea time in Merry old England.
First stage. Favorite cannibal beverage in skull is some sort of boiled leaves.
Second stage: New favorite beverage in skull becomes tea.
Third stage: Skull replaced with bone China..