Word used often by Some People
nareuse • adj. • "Être nareux" or "nareuse" means that you can't use something, like a glass, a bottle, or a spoon, after someone else. It's mostly used by people from the eastern regions of France.
"Si tu n'es pas nareux tu peux boire dans ma bouteille"
"If you are not nareux you can drink in my bottle"
4 out of 17 French speakers have heard this