Kaylaism is someone name Kayla has a special way of doing things or actimg a certain way like talking to themselves, making weird sounds, eat cereal without milk, eats waffles without syrup, walks around on their tippy toes, always have a blanket, has an obsession with unicorns, etc.
"I have Kaylaism, I have a bunch of unicorn cups and I talk to myself I even answer myself. My name is not even Kayla, my name is Denise Swamprectum."
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.