ja' muHwI':
>Are name-calling (epithetical) curses used as exclamations or as nouns?
I'm sure they're nouns. In English, an epithet is a name, and a name is
used as a noun. On Star Trek, we've heard it said that someone "...speaks
the lies of a {taHqeq}." That's a noun for sure.
-- ghunchu'wI'