When a woman has toes so long that they hang over the front of her sandals.
Ack! You know the kind I mean, the ones that look like fingers. Please keep those things covered. Or have your shoes specially made.
Adults with tiny teeth.
When people have little bitty perfect teeth that look like pieces of white corn it freaks me out. I figure they need to have more jaw power to bite so if they wanted to they could gnaw my hand off real quick if they got the idea in their head. Or yank out my jugular vein before I could even blink.
When children talk in their sleep.
It always sounds like they're possessed or something. I imagine that their Dark Lord is using the time that they are unconscious to program them for the next day.
When I'm in bed and something dances across the roof.
My first thought is never "squirrel". It is always "gargoyle! a big one!". Even though this is probably impossible, it still makes my heart beat fast.