https://www.dailydot.com/unclick/release-the-kraken-meme/
How ‘Release the Kraken’ joined the pantheon of all-time great memes
'Release the Kraken' was a catchphrase from an all-time terrible movie. No wonder it became a meme almost instantly.
That's your answer to what "Release the Kraken" means.
She said "Release the Kraken". When "Release the Kraken" is already FAMOUS, you don't step back and go "what's Kraken" and then "what does Release the Kraken" mean?
What "Release the Kraken" means is "inflict maximum damage". It means something similar to "really going to fuck shit up right now".
And since it seems like we've been talking about this for a week, but it's probably only been 18 hours, I figured I might as well tell all yall the basic common sense answer to this.