This picture is proof of female ejaculation... call it gushing, cumming or squirting
If you look at this you can see that it's not pee... if it were pee it would be in more of a stream and unless she drank almost all water, it wouldn't be as clear.
Read more about it here: http://jezebel.com/351263/shejaculation-or-how-i-learned-to-stop-worrying-and-love-the-gush
Nothing gets me off more than a lady blowing her load all over my thrusting cock...