Finnegan pin n. a non-existent part or tool; a thing whose name is forgotten or unknown; a doo-dad or thingamajig. (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...
Ashley in Tallahassee, Florida, says some friends find it odd that she refers to her husband as Dad even when their daughter isn’t around. Is it weird to address your spouse that way? In some cultures, parents are addressed differently after...