This definition appears very rarely
and is found in the following Acronym Finder categories:
- Slang/chat, popular culture
Samples in periodicals archive:
I don't give a rat's ass what you think," he said in an angry outburst.
He says the ostracism never shook him: "I live in such a fearless space in my life, I really don't give a rat's ass what most people think about me.
I don't give a rat's ass for legitimacy--not the kind you promote, which would have artists and writers worrying about the impossibility of not offending anyone.