Not care a hang (about something) offensive phrase informal
To be completely unconcerned (about something).
Whatever you say, I don't care a hang.
He doesn't care a hang about what people think about him.
I don't want to hear about her problems. I just don't care a hang.
Used in a situation in which one is so anxious about something that one cannot sleep.
To be unconcerned about someone or something.
The expression should be conjugated according to the tense.
Hang is a late-nineteenth-century phrase meaning dammit.
Children or adults often say this phrase to get their friends to join in something, especially to jump into a swimming pool (pond, lake, etc.)
“Last one in is a rotten egg!” yelled Jane, jumping into the pool.