Meaning
What does Wowee mean?
Wowee is an emote featuring a Labrador breed puppy, looking up to see his best friend (owner) with a happy face.
The emote is used when saying “wow” simply isn’t enough in reaction to something they saw or heard on a stream on Twitch.tv.
The emote is part of the FrankerFaceZ collection on Twitch.tv.
Origin
What's the origin of Wowee?
Wowee features a picture of a dog in the mall, where the owner was shopping or browsing then took a picture of his dog.
Later he wanted the picture to get “memed”, (turned into a reaction image on the internet) because he thought his dog made a cute face.
The emote was created cropping and mirroring the original picture.
Wowee was added to the FrankFaceZ collection in late-2018 by user GreenSnowDog.
FrankerFaceZ is a browser extension that enhances your viewing experience on Twitch.tv, by adding new unique emotes, chat features, etc. to your liking.
Spread & Usage
How did Wowee spread?
As of 10/12/2019 according to the website StreamElements, Wowee is the 79th on the list of most popular/used emotes on the website Twitch.tv, making it one of the more popular emotes.

External resources
- Urban Dictionary – Wowee