Originally deriving from Milliner, which comes from Milaner as an inhabitant of Milan, Italy.
Technically means the art of designing women's hats or adding unnecessary bells and whistles to men's suit jackets.
Used to define something as unnecessary, too fancy and annoying in its superfluous orientation to useless details.
"I am talking about a specific topic. All I'm getting back from you is millinery. Can't take it anymore, dude"