bless your little heart
A southern's way of saying fuck you
Teacher: You have 7 pages of homework tonight
Student: Well bless your little heart
Student: Well bless your little heart
well bless your little heart
To tell someone thank you very much for pointing out their own mistake.
Person A: "You've got some toilet paper stuck on your shoe".
Person B: "Well bless your little heart".
Person B: "Well bless your little heart".