I found this on reddit and it looked interesting, i will give it a try.
The method I used took a bit of time to develop. I was tired of being male so I started meditating for 3-4 hours each day visualizing my body changing, but I found the most successful method to be resonating with whatever changes you want.
The way I would describe the feeling, is if you were to say or chant whichever change you want in your mind, and then hold onto the feel that those words activate in your mind - not emotion. You stop "saying" the words in your mind, but hold onto the feeling that the words activate in your mind. Then you allow this feeling to push through the surface of your skin outward, and you get a sensation of agitation and vibration projecting 3 to 7 inches outside your body/surface of your skin. Do this for 30 minutes to 1 hour per day.
After I started changing my body a lot, my spirit guides started contacting me telling me that it was important that I not change my body too much because I chose to be born into this body to learn certain life lessons. So I'm warning you that if you use this method and succeed, you may be depriving yourself of important life lessons you were meant to learn.
He said he was tired of being male, i think he means he turned his penis into a vagina, idk, i sent him a message asking if that's what he meant but I don't have a response yet.