I’ve made fun of people and realistically, it was just to give them a hard time. To be totally honest, no matter what you do, they will continue to call you a lesbian more than likely. The least you let it get to you, the better. Once they grow up a little bit, they will probably see that you being (or not being) a lesbian isn’t a big deal and only then will they all quit.
In reality you have three options, none of which are that great for you.
1)You can, flat out ignore it and let them say what they want. This option is the best for everyone but you. You will catch 100% of the pain and misery from this option. As long as you can let it not bother you, this really is the best option.
2)You can fire back with names and slander toward them. This option might make you feel better because you get to “fight” back by turning your words against them. Just dig up as much dirt on them as you can and fire away when they do. This option is bad because you stoop to their level to make them feel bad the same way they do it to you. Plus, it can give them more ammo to slam you if they have more of a silver tongue than you do.
3)You can pound their heads into the ground until they hurt so bad that they will never want to even look in your direction ever again. This is the most risky of all options but the best for feeling immediate relief for your troubles. You will get in trouble for this that can range from suspension from school to trouble with the local police and the court system. You also run the risk of them pounding you with this option.
You really have no way to win in this situation. People are jerks. Jerks are in every part of life and always will be. The only thing I can tell you to help you is that after school, none of them will care about it anymore and you’ll have so many bigger life problems to worry about that you won’t give much of a shit either. Personally I suggest you go with option 1 if your strong enough because it keeps everyone out of trouble and will be better for the future, more than likely. Good luck.