cannonball Sunday n. a sparsely attended church service, especially immediately following Christmas. (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...
Daniel in Gainesville, Florida, shares a funny story about people who misunderstood a party invitation that called for Sunday-to-meeting clothes. In this case, the meeting isn’t just any meeting. It’s an old word for “church service,” so if you’re...