I don't give a monkey's

Từ điển Oxford Advanced Learner 8th

I don't/couldn't give a ˈmonkey's f15 idiom
(BrE, slang)used to say, in a way that is not very polite, that you do not care about sth, or are not at all interested in it
•I don't give a monkey's whether you want to come or not.
Main entry: ↑monkey_idiom