Squirting is triggered relative to your stimulation and a full bladder feeling. Most things that aid a woman in squirting are the same things that make a woman feel her bladder is full. Pillow under the small of the back, pressure on the lower abdomen, stimulation relational to spot or bladder region. It's about being forced to have uncontrolled release and then the dopamine you get from it. It could happen in 20 seconds for some, but I absolutely hear ya, again IMO not a TIFU :P Don't worry about it!

It's more likely your panic system set in so you didn't get to enjoy it nearly as much as you can if you relax, just as with any erotic experience. If you don't relax and get into it it won't be the same. That said, be assured technically, you squirted. Maybe with a full bladder, so to you, it more just felt like pissing, but it's pretty normal, and some women will do it quite a lot to the point a waterproof bedcover is a norm. So don't feel shame or shy is my point. Even if it was piss, fuck it honestly lol; in the end, sex can be a bit messy squirting comes from the bladder if someone makes you orgasm hard, he is likely gonna make you squirt a little, just comes with the territory. That said this is gotten more "detailed" than I would like to risk on a Reddit post, and the only aim to inform and assure, my job is here done! ~Fin