het up /ˌhet ˈʌp/ BrE AmE adjective [not before noun] British English informal
[ Date: 1800-1900 ; Origin: Old past participle of heat ]
anxious, upset, or slightly angry
het up about/over
Mike tends to get het up about silly things.
het up /ˌhet ˈʌp/ BrE AmE adjective [not before noun] British English informal
[ Date: 1800-1900 ; Origin: Old past participle of heat ]
anxious, upset, or slightly angry
het up about/over
Mike tends to get het up about silly things.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012