An exaggerated concern
It was my turn to hang up.
She was ready to hang up but I added the sad news Howie's mother, her aunt Rose, wasn't expected to live.
It was a hang-up but when she returned moments later, she heard a car leaving the alley behind her house.
All he can do is hang up.
In fact, if you refuse me now, I'll kill him before I hang up the phone.