Toxic femininity would share the same traits as toxic masculinity I would imagine.
TM: Building muscle to show off their bodies and intimidate other men and seduce women.
TF: Toning their bodies to show off their bodies and intimidate other women and seduce men.
TM: Degrading and bullying other men particularly in groups to show off to their friends.
TF: Degrading and bullying other women in groups to show off to their friend.
TM: Stating a standard of feminine beauty (perfect body, certain hair, particular attitude) to which any woman outside of said standard is a "cow","fugly"
TF: Stating a standard of masculine beauty (muscular, perfect face, perfect job) to which any other man is considered a "loser", "beta" etc.