“[from The One and Only Official Mr. Gum Official Glossary That Tells You What Words Mean by Explaining Them Using Other Words] :

Cups of tea: People in England are always drinking cups of tea. "Oh let's have a cup of tea " they say. "That will prove we are English and not American." Sometimes American people try to have cups of tea to pretend they are English but forget it We can always tell you are faking it”