Used to express irritation, dismay, sorrow, or self-pity.
[Yiddish : oy, interjection expressing irritation or sorrow + vey, woe (from Middle High German wē, from Old High German wah, wē; akin to Old English waā, woe!)]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.