int. (sb.) An exclamation of pleasure among N. American Indians.
1747. C. Colden, History of the Five Indian Nations of Canada, Papers, 140. Wampum . Which was received with a loud Yo-hah.
1751. J. Bartram, Observ. Trav. Pennsylv., 22. They gave us the Yohay, a particular Indian expression of approbation.
1791. T. Long, Voy. Ind. Interpr., 56. These [gifts] were received with a full yo-hah.