gorilla dust n. bluffing, posturing, or hollow attempts at intimidation. Etymological Note: The 1998 quote accurately describes the origins of the term. (source: Double-Tongued Dictionary)
Further reading
A Wisconsin wonders if anyone outside her family uses the word funsel, possibly spelled funcil, to denote “a single strand of leftover cobweb hanging from the ceiling.” That one may be all their own, but another word she asks about, gnurr, meaning...
We use the term Milky Way for that glowing arc across the sky. But how people picture it varies from culture to culture. In Sweden, that starry band goes by a name that means “Winter Street,” and in Hawaii, a term for the Milky Way...