The mixture, or combination of gases that makeup the air we breathe.
My girl's mom was always trippin' on how you can't use shit in her house because you might break it. So I mocked her with the term.
"Don't breathe in my house boy, you might mess up my air mixture!"
A substance that originated in the chat of the streamer grafitely and created by the user uvorah. it is a specific type of tea made by using; milk, sugar, water and a teabag all inside the kettle then letting it boil. Once it is ready pour into a cup and add a teaspoon of sugar and that is how to make Kettle Mixture.
Girl: Hey have you tried kettle mixture?
Your mum: Yes, I have and it's amazing!