She should stop behaving in a superior manner.
If someone is accusing someone of being up on a high horse it means that they're accusing them of being proud or thinking they're better then everyone else. Thus if you're telling someone to get off their high horse you are telling them to stop being proud.
Nothing. The correct idiom is "get OFF your high horse," meaning stop acting so conceited as if you are above everyone else.
Getting on your high horse means that you are looking down on someone with a haughty or superior attitude.
It means to stop suddenly, not to get to the goal. To pull up is a horse riding term meaning to pull on the reins to make the horse stop.
You put ur foot in the sirrup and mount up!
To spring or bound, as a horse in high mettle., To ride on a prancing horse; to ride in an ostentatious manner., To walk or strut about in a pompous, showy manner, or with warlike parade.
It means to stop suddenly, not to get to the goal. To pull up is a horse riding term meaning to pull on the reins to make the horse stop.
it means to go faster or speed up
It reverses the meaning from "get on the horse" to get off the horse.
A colt is a male horse at 5yrs of age or younger so technically the horse is "grown up" meaning out of it's colt stage at 6yrs of age.
High
Because Equis means horse, leading to Equine meaning horse, and equestrian meaning horse back riding.