wuh-ho
Whoa, when separated into two clearly defined syllables. It's hard to explain when you would use this, but it gets used often. It is used to signify shock or surprise at someone else's slightly innapropriate or awkward comment in most situations.
Ted: I wish we could all get along like we used to in middle school. I wish we could bake a cake made out of rainbows and smiles and we could all eat it and be happy.
Dad: Wuh-ho, son! You're sounding a little gay there!
Dad: Wuh-ho, son! You're sounding a little gay there!