Wow is an interjection , expressing an extreme degree of surprise, joy or other, usually positive emotions. Stress on "a": in AAAy !. English interjection Wow! can be translated as the traditional Russian "Wow!".
Ingoda, along with "Wow", there are variants of writing "Uvau" or "Wow". The word came to the Russian language relatively recently, approximately in the middle of the "zero".
Wow is listed: Slang