It's important to know your audience and what forums are ok to post on when it comes to writings. If it's a forum that includes younger visitors, don't post overly explicit content. Some adult humor can pass. If it's exclusively older visitors than (depending on forum content) it may be more acceptable.
"Sari, you've a very nice body, so why disguise yourself as a man?"
"Well its because most people don't expect a woman like me to be under the mask."
"But how do you get your boobs to stay put."
*Slap*
Isn't too bad. Its PG-13, but its not as bad as an all out sausage fest