1. A wavedone completely with the elbow moving slightly back and forth and/or twisting slightly with wrist straight and palm cupped but fingers together.
2. Any insincere or unnatural wave of the hand.
I had a bad date, she just gave me a Lady Diwave when I walked her to the door.
"Have you seen Lady Dimitrescu's tag on ao3? Damn, it's all gay! The gays took the tall lady for themselves and told Capcom their job is done, bye-bye ma'am, she belongs to them now."