oho

Etymology

From Middle English o ho; o, ho; equivalent to o + ho.

intj

1. Expressing surprise or gloating realisation; aha.
   There is Kate, taking no heed of anybody; sensible old darling — she goes at her tea and cake — Oho! she has not touched them! 1880, Lucy Bethia Walford, Troublesome Daughters
   "Oho, my boy, that's the woman who keeps you here! Mrs. Neff hinted at it, but I wouldn't believe it till I had it from you." 1914, Rupert Hughes, What Will People Say?
   "Oho," he said, "a vile thing to say. It is. I am losing check upon my tongue, it is running free like a riderless horse. And I don't give a damn. I can say at last what I wanted for years to say, years of being politic and demure. No longer." 1988, Thomas Flanagan, The Tenants of Time
   "Oho! Now I see where he's going with this, Frank thinks. Would have seen it earlier if I hadn't been so tired." 1997, Bruce A Shuman, Beyond the library of the future