fluster
/ˈflʌstə/
noun
Meaning
A state of being flustered; overwrought confusion.
verb
Meaning
To make hot and rosy, as with drinking.
(by extension) To confuse; befuddle; throw into panic by making overwrought with confusion.
"He seemed to get flustered when speaking in front of too many people."
To be in a heat or bustle; to be agitated and confused.