on your high horse
on (one's) high horse
Having an attitude of condescending moral superiority. My sister was a troublemaker as a teenager, yet she's always on her high horse lecturing me about my life choices. The radio host is known for climbing on his high horse when talking to listeners and guests about the importance of family values.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
on your high horseused to refer to someone behaving in an arrogant or pompous manner. informal
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