be dying to (do something)
To be eager and excited to do something. The kids were dying to go on another roller coaster, so I told them to get in line while I sit for a minute. My 16-year-old is just dying to learn how to drive.
be ˈdying for something/to do something
(informal) want to have or do something very much: I’m dying for a drink.She’s heard so much about you. She’s dying to meet you.