White layer cake iced with whipped cream and strawberries. Because Christmas cake is eaten on Christmas, the expression "your Christmas cake is going stale" once referred to an unmarried woman over the age of 25. These days, though, with a birth rate of 1.34 and over half of the 26-30 population never married, the use-by date on this metaphor has mostly expired.
Terms of address
A useful compendium of Mormon ecclesiastical and theological terminology can be found here.