Joann is a character in Young Sheldon. She was a customer over at Meemaw’s laundromat Medford Wash. One day, she complained to Meemaw about her machines took some of the rhinestones on her clothing. Meemaw told her the tag on the shirt says to not tumbledry. Joann says no one is telling her what to do. When Meemaw ask her what she wants to do, she eyes Meemaw and asks her about her size. (Pish Posh and a Secret Back Room)