jingle mail
n.— «Kosciuszko said the mortgage insurance industry coined the term “jingle mail” because homeowners whose mortgages were worth far more than their homes literally mailed their house keys in to lenders.» —“Haunted by debt” by Pamela Yip Houston Chronicle (1) Nov. 1, 1992. (source: Double-Tongued Dictionary)
Further reading
So you’ve long dreamed of writing fiction, but don’t know where to begin? There are lots of ways to get started — creative writing classes, local writing groups, and books with prompts to get you going. The key is to get started, and...
The word nurdle, sometimes spelled nerdle, can be used to denote various “small bits of things,” such as styrofoam packing material or detritus in one’s pockets. It may be related to the word nodule. Like thingamabob and whatsit...