fluster

fe’l verb

1. (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.
2. To make hot and rosy, as with drinking.
3. To be in a heat or bustle; to be agitated and confused.

ot noun

1. A state of being flustered; overwrought confusion.