I don't care two hoots about whether you go to the picnic or not.She doesn't care two hoots about me. Why should I care?
not care two hoots (about something)
To not care in the slightest (about something or someone); to attach no importance to someone or something. I don't care two hoots about making money, I just want to do something with my life that makes life better for others.I haven't cared two hoots for the show ever since they killed off my favorite character.Do whatever you want, I don't care two hoots.
not care two hoots about someone or something
and not give two hoots about someone or something
; not give a hang about someone or something; not give a hoot