indignant; irate; upset: She was really het up about the new city tax.
enthusiastic: John is suddenly het up about racing cars.
Origin of het up
1920–25; het, archaic or dial. past participle of heat + up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for het up
Historical Examples of het up
Sunstroke is quite likely brought on by anger and anxiety "het-up" by relatives.Supreme Personality
Delmer Eugene Croft
angry; excitedtoo many people are getting het up about money in rugby
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012