I pretty much grew up the same way, and believe that a part of me is male. I dress in baggy clothes (out of comfort) and I believe some don't view me as straight. If I didn't have a boyfriend I'm pretty sure I would be classed as a "butch lesbian". (I've been told this before)

For me it comes down to knowing that I am attracted to males and that I feel comfortable and not distraught in my body. I can be as 'male-ish' as I want because I'm not bothered by other peoples perception of me. I know I don't completely fit the 'binary stereotypes' but it hasn't stopped me from loving myself and my body.

If you're experiencing discomfort because of the gender you were given, then I'd come out. If you have had problems accepting your body, I would come out. There are therapies that you can do to start changing/altering the way you look so you feel more comfortable in your skin so you look like the person you imagine yourself to be.

HOWEVER! If you are fine with your body but dislike the stereotypes of what defines a male/female then tell the world to shove off and do what you want. There is nothing wrong with not being totally male/female. It's perfectly normal to have aspects in your life that would fit the other gender role more closely.