bounce box
n.— «The couple also has another method of replenishing—what they call a bounce box. “You bounce it from town to town and go through its contents. If you need shampoo or nail clippers, you use it, then send it to the next town you’re going to hike out to,” explained Brant.» —“Local couple will hike Appalachian Trail” by Marilyn Kammer Orange County Register (California) Mar. 29, 2001. (source: Double-Tongued Dictionary)
Further reading
Sean in New York City is curious about the expression the business end, as in the business end of a gun. It’s simply “the end of an object that fulfills its function or purpose,” such as the business end of a shovel, the business...
Wilson in Charleston, South Carolina, stopped using the term conversate after being told it’s not a real word. On the contrary, conversate is well-established in Black English as a verb that suggests speaking in a register that’s warmer...