(one) doesn't give a hoot (about something)
One does not care in the slightest (about something); one attaches no importance to something. I don't give a hoot about making money, I just want to do something with my life that helps other people. He doesn't give a hoot about the show ever since they killed off his favorite character.
don’t give a hoot
tv. don’t care at all. (Folksy.) She doesn’t give a hoot if you go into town without her.