Like coconut water, culottes, and CrossFit, squirting is having a moment. Squirting is when fluid comes jetting out of a woman's vagina, often accompanying orgasm. But not for kids! Not every woman can squirt though, which makes it a topic of hot debate. So what exactly is the fluid that comes gushing out of your vag? Recently, a small study in the Journal of Sexual Medicine concluded that the liquid is mostly just urine.