heigh-ho definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Archaic used variously to express mild surprise, boredom, disappointment, fatigue, etc., or used as a greeting
heigh-ho definition by American Heritage Dictionary
Used to express fatigue, mild surprise, boredom, disappointment, or sometimes exultation.