budget dust n. money said to be insignificant when compared to other (planned) expenditures. (source: Double-Tongued Dictionary)
Further reading
A librarian opens a book and finds a mysterious invitation scribbled on the back of a business card. Another discovers a child’s letter to the Tooth Fairy, tucked into a book decades ago. What stories are left untold by these forgotten...
Why do people say They don’t geehaw to mean “They don’t get along”? Geehaw, occasionally spelled jeehaw, comes from the calls people use to drive a team of animals, such as oxen, mules, horses, or sled dogs, gee being an...