I know this isn't a problem which is going away any time soon, but it seems the online gaming world is so backwards compared to how things are progressing in the real world.
Every game I join where the issue of gender comes up, or if someone refers to me as he in the game, I will say, I am a she, and thats as far as I go, no big deal, I am there to game not to get some potential date or some crap. But people respond in one of these ways:
The most common, call you a liar, a sl**, wh*** or va