get in(to) a flap
To enter into a state of panic or frenzy. Mom, I'll help you with getting dinner ready for the party, OK? So don't get in a flap about it—everything will be fine.
be in/get into a ˈflap
(informal) be in/get into a state of worry or excitement: Julia’s getting into a real flap about her exams. OPPOSITE: (as) cool as a cucumber