Meaning of the word "het up" in English

What does "het up" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

het up

US /ˌhet̬ ˈʌp/
UK /ˌhet ˈʌp/

Adjective

very anxious, excited, or angry

Example:
She got all het up about the upcoming exam.
There's no need to get so het up over a small mistake.