DNF adj. 1. did not finish, in course-based sporting events, such as boating, auto-racing, and horse-racing. 2. did not find, in geocaching. (source: Double-Tongued Dictionary)
Further reading
If you work in tech support, you might use snarky slang for problems caused by computer users themselves. There’s the acronym PEBCAK, for example, which stands for Problem Exists Between Chair and Keyboard. And: a lush poem about the sea inspired by...
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...