Ahigh
The Century Dictionary and Cyclopedia
On high.
the GNU version of the Collaborative International Dictionary of English
adverb.
On high.
Wiktionary, Creative Commons Attribution/Share-Alike License
adverb.
on high
Word Usage
"Let's say you assured your readers that behavior that would get you "brought up on sexual harassment charges if you are ahigh school teacher" in the United States "is expected, welcomed, and A-OK" in Thailand clubs."