{adj. phr.}, {informal} 1. Not acting proud and scornful; humble and agreeable. * /The girls were so kind to Nancy after her mother died that she came down off her high horse and made friends with them./ 2. Acting friendly again; not angry and unpleasant any more; agreeable. * /Sally wouldn't speak to anyone all afternoon because she couldn't go to the movies, but she's off her high horse now./ Contrast: ON ONE'S HIGH HORSE.
OFF ONE'S HIGH HORSE
Meaning of OFF ONE'S HIGH HORSE in English
Slang English vocab. Английский сленговый словарь. 2012