flustered

adjective3

1. •
   Confused, befuddled, in a state of panic by having become overwrought with confusion.

   • The speaker became quite flustered when she dropped all her notes.
2. •
   Emotionally overwhelmed or visibly embarrassed, especially in a sexual or romantic context.
3. •
   (slang) Mildly turned on, mildly horny.