"I have nothing to do. I'm bored to death."
"I hate it when I'm bored to death."
"Would you rather be super busy or bored to death?"
A: "Hey Seth, what are you doing?"
B: "I'm reading a book. What are you doing?"
A: "I'm bored to death. Let's do something."
B: "Sure. Come over and we can play some games."
Other Common Sentences
"I'm so bored, I could die."
"I'm dying of boredom."