Beijing hack
n.— «Within a couple hours of our arrival, Elisa and I had already acquired what we referred to as the “Beijing hack.”…He warned that some of the games would have to be rescheduled because of pollution if Beijing did not, literally, clean up its act.» —“Red Lantern Diary: Seattleite’s Dispatches from Hong Kong” by Elizabeth Kain SeattlePI.com Nov. 16, 2007. (source: Double-Tongued Dictionary)
Further reading
Secret signals on the job: Waitresses at some 19th-century restaurants ensured speedy drink service by communicating with a non-verbal code. One server took orders, then placed each customer’s cup to indicate exactly what the customer wanted...
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...