I don't know what to call my gender, but I have used genderqueer, agender, pangender, tomboy and genderfluid. My gender can fluctuate on a daily or semidaily basis. I usually feel neutral, but sometimes male or female. I have gender dysphoria and really wish my body were more neutral-looking.
When I first realized that I wasn't just a tomboy who "never grew out of it," I had found a website about being genderqueer and I sort of started obsessing about my gender and "passing" (in case you don't know, that means when a stranger meets you and naturally assumes that you are the gender that you feel you are) which is never gonna happen for me because I'm nonbinary and basically no one in my society knows that we even exist. I got caught up in trying to present my gender in different ways, and gendering myself too much, and overthinking every little thing. So that was a difficult time of transition.
Now that I feel more "settled" and understand my gender better, I still don't know what to call it, but I don't stress about it too much anymore. Our patriarchal society values masculinity over femininity, so even though everyone reads me as female, I can wear men's clothes and that is considered acceptable. Basically I escape prejudice by being invisible. No one knows I'm nonbinary because no one knows that is an option. If I read male, then I would have a much harder time expressing my duality of gender without discrimination, I'm quite sure.
Often I still really wish anyone would even TRY to call me by my gender-neutral pronouns (I'm a "they"), especially my close friends who know that I am nonbinary. It hurts to know that they think I am just crazy or something. I used to wish so hard that I would someday find out that I was intersex, and then people would HAVE to accept that I'm nonbinary, but a surgery to remove a tumor from my abdomen last summer pretty much killed all hope for that. To be honest, even if my wish was granted I'd probably just be called "it" or simply not referenced at all, and ostracized at best.