Bless your heart
American SlangDefinition
A Southern U.S. idiom that, depending on tone and context, either politely conveys condescension or mild criticism (implying someone is foolish or pitiable) or expresses genuine sympathy.
Examples
"Bless your heart, I know you’ve been through a lot this week—let me handle the rest."
"You tried to fix the leak with duct tape? Bless your heart."
"She brought store-bought cookies to the bake-off, bless her heart."