not give a rat's arse (about something)(redirected from not give a rat's arse about him)
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give a rat's arse
rude slang To care. Typically used in the negative as a dismissive phrase showing one's annoyance or lack of interest. Primarily heard in UK. I don't give a rat's arse about how late your friends are allowed to stay out—you need to be home by 10 PM. I used to care about what those fools say, but I just don't give a rat's arse anymore!
not give a rat's arse (about something)
rude To not care in the slightest (about something or someone); to attach no importance to someone or something. Primarily heard in UK. I don't give a rat's arse about making money, I just want to do something with my life that makes life better for others. I haven't given a rat's arse for the show ever since they killed off my favorite character. Do whatever you want, I don't give a rat's arse.