i gag every time i get that, its so gross.
i also get grossed out when im swimming and i go through an unusually cold or warm spot in the water (not when somebody pees in it though, its just naturally there). i donno why but it freaks me out.
also, if i bump up against a fish, or see a fish, or anything that has to do with a fish while im swimming, i flip out. i must have had a bad experiance with fish or something because i hate them so much.