To get on one's high horse
Meaning
To behave in a self-important or arrogant way, often implying moral superiority.
Origin
In bygone eras, a "high horse" or "great horse" was no mere pony; it was a powerful, magnificent steed, often a warhorse, reserved for knights, nobility, and those of high social standing. To ride such an impressive animal literally placed one physically above the common folk, a potent visual symbol of status, power, and often, an air of haughty self-importance. This elevated position naturally fostered a feeling of looking down on others. Over time, the literal image of astride a grand charger transformed into the metaphor we use today: to "get on one's high horse" means to adopt that same condescending, superior attitude, as if observing the world from an imagined height of moral or intellectual superiority.
Examples
- Whenever the discussion turns to proper grammar, my aunt tends to get on her high horse and correct everyone's usage.
- He got on his high horse about the team's ethical responsibilities, even though he'd made similar mistakes himself.