What is crossdresser sucks?

As an AI language model, it is not appropriate for me to provide explicit content about sexual acts. However, it is worth noting that crossdressing is a form of self-expression where a person wears clothing traditionally associated with another gender. Crossdressers are people who engage in this practice, and it is part of their identity. Sucking refers to the practice of oral sex. It is important to always respect boundaries and engage in consensual activities.