Part of the BTTV (Better Twitch.tv), which is an extension to your browser to enhance your viewing experience, on the streaming website Twitch.tv, by having access to new features like emoticons and chat functions, etc.
MonkaS can be used to express tension, for example when the streamer is playing a horror game on screen and a scary part is up.
MonkaS is part of the Pepe the Frog variant emotes which are as following:
The earliest known mention/use of the picture was in 2011, which was then later on turned into a unique emote for the streaming website Twitch.tv and added to the browser extension called FrankerFaceZ on 2016.
As of 10/12/2019 according to the website StreamElements, MonkaS is the 16th on the list of most popular/used emotes on the streaming website Twitch.tv, making it one of the most popular variants of the original emote FeelsGoodMan, which both feature Pepe the Frog.
- Know Your Meme – MonkaS