Meaning
What does Kreygasm mean?
Kreygasm is an original emote, created for the streaming website Twitch.tv.
Very similar to the emote GachiGASM, the emote features Twitch.tv streamer Kreyg with his head tilted back with great pleasure on his face, almost like when someone is climaxing.
The emote can be used to express pleasure or as a reaction to a satisfying moment, like when a streamer does a smooth play while streaming to Twitch.tv.
Origin
What's the origin of Kreygasm?
The original picture of Kreyg was taken by himself after being approached by a staff member from the streaming website Justin.tv (now known as Twitch.tv) asking to create an emote based on him.
He has obliged and sent a picture of himself to the website, which later that year has been added to the original Twitch.tv emotes collection.
Spread & Usage
How did Kreygasm spread?
Due to its early upload date and it being an original Twitch.tv emote, it has been used daily since its appearance on the site.
As of 10/12/2019 according to the website StreamElements, Kreygasm is the 17th on the list of most popular/used emotes on the website Twitch.tv, making it one of the most popular emotes.

External resources
- Mashable โ ‘Twitch-speak’: A Guide to the Secret Emoji Language of Gamers
- Urban Dictionary โ Kreygasm