What is Brat Shades?
1.
The ability for some parents to turn a blind eye to totally unacceptable behaviour on the part of their own kids when you know full well that they wouldn't put up with it in other people's children.
Nick "Dear god. Lucie was acting like a right spoilt princess drama queen last night. I was horrified".
Liam "You knows it. Her mum really had her brat shades on".
See
