it's gotta be either one of these with a white stream oozing out into one of them back dimples, when you arch your back at the moment of ejaculation.
that way the guy that is hitting it, can aim his streamarama in and create a dimple puddle.
otherwise, you are gonna get it all over your hair. it's way to messy, and who likes washing they hair after sex, when you would rather cuddle with the one you love. aaaaooolllll, sex is a beautiful thing.
or