This kind of behavior legally constitutes assault and you are entitled to defend yourself in any way you see fit.
Not true in many states. An appropriate response is allowed. In many clubs you would both be escorted out and possible arrested if you fight. The bouncers in my clubs look out for us and will do their job with creeps like this.
The crossdressing community is one that needs to stick together and continue to be there for each other for whatever one needs. We are always trying to improve the forum to better serve the crossdresser in all of us.