What is Brat Shirt?
1.
A shirt with a bratty comment, and/or picture. These shirts are most often worn by children, and many of them that girls wear have sexist comments, agaisnt boys.
Brat shirts are worn by infants, helping the children be bratty and hateful towards their parents as soon as possible.
Also see slut shirt.
That girl had a brat shirt with a picture of a 'stupid factory' on it, captioned by 'The stupid factory, where boys are made.'
See