worked up emotionally by anger or excitement; "was terribly het up over the killing of the eagle"; "got really het up over the new taxes"; "he was suddenly het up about racing cars"
If you get het up about something, you get very excited, angry, or anxious about it. = worked up. anxious, upset, or slightly angry het up about/over (Old past participle of heat)
made warm or hot (`het' is a dialectal variant of `heated'); "a heated swimming pool"; "wiped his heated-up face with a large bandana"; "he was all het up and sweaty"