I wonder what the female orgasm must feel like too, where some of them even seem to go into convulsions, or at least where it lasts a really long time. The closest male equivalent that I've felt is (sorry to get graphic here) receiving handjobs where she keeps working on me during and after my ejaculation, after you yourself would've stopped and basked in the afterglow. That's the key point where she needs to keep going, and the man's semen can be used as a lubricant at that point. It's amazing and feels like an extended orgasm. It seems to me to be the closest thing to a woman's long orgasm.
That picture below is right on the G-spot. My wife is blessed with the ability to squirt, and there are two good ways that I can tickle her G that will cause her to gush. We found these methods accidentally at first, and I wish that I'd known about them with my girlfriends before her. You guys may want to try these, and maybe your lady will amaze you and be able to squirt:
1. Insert two fingers and curl them up in a "come here" position. Finger her by moving your arm in and out while keeping those fingers curled up, in contact with the "roof" of the vagina, in the little area just inside her and right under her pubic bone.
2. During intercourse, spread her legs wide. You can rest them on your shoulders or arms. Her hips will be swung forward now. Keep pumping her, but with only the head of your penis inside her and not much more. Then the penis-head is tickling the same spot as in #1.
Tip: Put a towel under her before you start, to keep the bed cleaner.
Happy G-hunting to all!