Not give a rat's ass for/about (something or someone) slang verb phrase rude
To not care in any way about something or someone
People won't give a rat's ass for your little mistake. They're too busy with their own problems.
Listen! I don't give a rat's ass about how you do it. Just get it done, ok?
I really didn't give a rat's ass about what she said.
1.To do nothing, ignore the problem or situation needing to be coped with
2.To not want to applaud
1. To stop, delay or diminish something
2. To ignore or end social contact with someone; to separate someone from others
Although someone is given reliable information, they continue to ignore or misunderstand it.