"Kerb!am Box" was a term coined by galactic postal-service Kerb!am for the delivery of an item that had been shipped.

The Thirteenth Doctor received a Kerb!am Box with a fez. (TV: Kerblam!)

Classes of Kerblam Boxes included Free Kerblams, Bronze Kerblams, Silver Kerblams, Gold Kerblams, and Platinum Kerblams. (GAME: Lost in Time)