Cite
 

Meaning of het up

het' up'

Pronunciation: (het), [key]
— Informal. Informal.
  1. indignant; irate; upset: She was really het up about the new city tax.
  2. enthusiastic: John is suddenly het up about racing cars.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.