What is Cape-flapping?
1.
-verb
1. all flash, no function. Expending all power but with little or no productivity
Derived from the movie "Dark Night"; in which we see our beloved Batman riding his
2. an excessive ruckus created with nothing to back it
3. overly hyped with a disappointing result
"I expected that
Batmobike to tear through Gotham City, but all I saw was a Bat-ton of cape-flapping."
See