I'm not certain that it's a gender thing, but in my experience from and from my observations, jocks tend to overwhelmingly bully guys more.
My theatre class is full of jocks. A few are decent people, but most are utter asses. Back when I took theatre in middle school, the class was also full of jocks who tormented and bullied me everyday, and after that experience I honestly don't know why I thought it was a good idea to give the class another go. They don't exactly "bully" me anymore, or at least not to the extent that they did in middle school, but it's enough to make me want to quit the class (sadly I can't at this point in the year).
I have a male friend who attends boarding school, and although he is not an aspie, he does have aspie traits and he is practically the incarnation of the lanky nerd stereotype. He says that he resides in the "jockiest dorm of the school", and complains about being relentlessly bullied (it's mostly verbal harassment from what he tells me).
Another male friend of mine who is an aspie gets a lot of crap said about him behind his back, and some other male friends who are nerdy and awkward but not aspies also tend to be favourites amongst school jocks.
All my female friends and other girls that I've observed being bullied have only been the victims of other girls spreading rumours and such (save for one boy who harasses everyone and is, wait for it: a nerd).
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“Everything is connected; nothing is also connected” -Dirk Gently (Douglass Adams)