Definitions by Istg all names are in use

Granny Katie 

A granny Katie is some teen who just has that granny style and is typically the mom of the group. The biggest clue to the granny style is the metal from oldish looking glasses.

Person: Yooo did u see their new glasses, they are such a granny Katie

Granny Katie by Istg all names are in use November 20, 2021