Phone deaf
The act of being really good at ignoring a ringing phone. Selective hearing as it applies to the telephone.
Mom, "Do you think Kyle is going deaf? He walked right by that ringing phone!"
Dad, "Nah, he's just phone deaf!"
Dad, "Nah, he's just phone deaf!"
Phone deaf
When someone cannot hear the world around them while using their phone.
That girl is phone deaf.