A wasman is a trans woman. Since words mean things, and woman has a definition, which does not include a man with a penis. Wasman is used, as it was a man.
What is a wasman? A man that is dresses as female, and may or may not be mutilating themselves to appear more female. Why is that wasman competing against women in swimming? Did you see the wasman with its dick out in the woman's bathroom?