family photo n. a pre-arranged group photograph of world leaders. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
The cardboard cylinder left after the last sheet of toilet, tissue, or wrapping paper comes off the roll has inspired families to make up a lot of names for the tube or the sounds you can make with it. These include oh-ah, oh-ah, drit-drit, dah-dah...