be out of (one's) mind with (something)
be out of (one's) mind with (something)
To feel something strongly, often boredom. I was out of my mind with boredom during that lecture this afternoon.
be/go ˌout of your ˈmind
1 be/go crazy: You want to go on a parachuting holiday? Are you out of your mind?
2 confused and upset because of worry, illness, etc: She’s out of her mind with worry.