when someone makes a generalization about a person's gender subjectivity. This can happen in many ways, particularly when it is assumed that a person must act within the prescribed gender roles that are socially constructed.
also used as a verb: "to genderalize someone"
Person 1:girls are so much hotter than boys.
Person2: That's such a genderalization! but also true.
Person 1: Why is your baby boy wearing pink? pink is for girls!
Person 2: don't make genderalizations about babies and colors. maybe my baby likes pink, so what?