flappable

English

Etymology 1

flap +‎ -able

Adjective

flappable (not comparable)

1. Able to be moved by flapping.

   a flappable wing

Etymology 2

Back-formation from unflappable.

Adjective

flappable (comparative more flappable, superlative most flappable)

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