A sentence commonly used to express a feeling of utter and total disinterest in a subject, person, action or remark.
This phrase presents itself in real life most often under criticism...
#person1: Hey, you should stop scooping out the intestines of that badger with a protractor
#person2: I don't give a fuck
#person3: At least use a fucking spoon
---not giving a fuck---
When somebody voices that they, in fact, do not give a fuck about something but you in contrast did not ask for their two sense in the first place.
Man did you hear this cunt? He acts as if we asked him whether or not he gives a fuck. In fact nobody gives a fuck if you give a fuck or not