Similar to "phew" which expresses relief after a long, tiring work, "wew" (Wow + Phew) expresses unbelief at completing a seemingly impossible task.
Wew, I shook hands with Howie Mandel.
wew is an expression of emotion; usually in response to something someone else has told you, commonly in a positive or neutral fashion; a filler word for when you don't have much to add but want to contribute. It is almost exclusively used in text chat.
A: It's like learning a musical instrument, it takes a long time to become proficient!
B: wew.
Combination of wow and eww, showing a both surprised and disgusted reaction to something.
A little penis from a male that cant get no (coochi)
No we cant fuck u have a little wewe