1) The fear that a wild
Karen is lurking about in the vicinity of your area; the fear that the female that is approaching you is a Karen.
2) The fear of the human subspecies
Karen.
Ex. 1)
"Dude, why did you get so paranoid about the older ladies at the park earlier today?"
"Sorry, that was just my Karenphobia kicking in. I thought one of those ladies was a Karen."
Ex 2)
"You've been hiding in the back quite a bit today, coworker, is something wrong?"
"Not really, I just have Karenphobia."