flap
flap
noun
An informal state of sudden worry, excitement, or panic.
"Don't get into a flap over the exam."
verb
To move wings or arms up and down, often making a sound.
"The pigeon flapped its wings loudly."
noun
A flat, flexible piece of material attached along one edge.
"Lift the envelope flap to open it."
Thesaurus
Synonyms: pother, dither, beat, wave, roll, undulate, fuss, tizzy, fluttering, flutter, flapping