"Big deal"

• Dismissive remark
• Apathetic comment
• "So what?"
• "Why should I be interested?"
• I don't give a hoot!
• "It's not that important"
• "I don't give a rip!"
• Query from the apathetic
• "So?"

Wikipedia Word definitions in Wikipedia
WhoCares was a supergroup formed by Ian Gillan of Deep Purple and Tony Iommi of Black Sabbath in 2011 with the participation of a great number of rock artists as a charity project to raise money to rebuild a music school in Gyumri , Armenia after the destruction ...