bag nasty
n.— «On the flight line, the food was terrible at best. The menu consisted of either green eggs or “bag nasties,” pre-packed bag lunches with potato chips as their only edible component.» —by Larry Warren Left at East Gate Feb., 1997. (source: Double-Tongued Dictionary)
Further reading
There are lots of colloquial phrases to explain away the cacophony of a thunderstorm: The potato wagons are rolling, The tater wagon’s going over the bridge, The potato wagon broke down, and God is dumping out potatoes and washing them off. In...
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...