pocket litter
n.— «When Shakir was arrested shortly after the 9/11 attacks, his “pocket litter,” in the parlance of the investigators, included contact information for Musab Yasin and another 1993 plotter, a Kuwaiti native named Ibrahim Suleiman.» —“See No Evil, Hear No Evil” by alex Disinformation Aug. 31, 2005. (source: Double-Tongued Dictionary)
Further reading
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...