over transgender students' use of school restrooms; in the episode a restroom initially designated for use by transgender students is later re-designated as "the cissy bathroom" for use by trans-phobic cisgender students.
Sissy (or sis) can also be a relationship nickname formed from sister, given to girls to indicate their role in the family, especially the oldest female sibling.
It can also be applied to girls as a term of affection from friends who are not family members.
also sissy baby, sissy boy, sissy man, sissy pants, etc.) is a pejorative term for a boy or man who does not conform to "standard male" gender stereotypes.
Generally, sissy implies a lack of courage, strength, athleticism, coordination, testosterone, male libido, and stoic calm, all of which have traditionally been associated with masculinity and considered important to the male role in Western society.