mail-boxing
n.— «Mail theft occurs so frequently that criminals have even coined a new verb: “mail-boxing.”» —“Mail fraud raises a red flag” The Acorn (Agoura Hills, California) Apr. 17, 2008. (source: Double-Tongued Dictionary)
Further reading
When a teenager went a week without talking as part of a school project, he noticed a surprising side effect: Instead of rehearsing a response to what other people were saying to him, he was focused on listening — and feeling smarter as a result...
Ever wonder what medieval England looked and sounded like? In Old English, the word hord meant “treasure” and your wordhord was the treasure of words locked up inside you. A delightful new book uses the language of that period to create...