flappable

adj

1. (not-comparable)Able to be moved by flapping.

   “a flappable wing”

2. (informal)Capable of becoming flustered or upset.

   “‘Yes. Not as much as Ruth, but I read some myself afterward. You sound better aloud. Good deal of authentic mania, there, black and blue wit, pain—the fellow going on to fresh defeats, flappable, flappable. Surviving however. I bought a lot of the little I could understand. Do you write when you're drunk?’”