Bored to death
Meaning/Usage: Very bored
Explanation: Death is the worst thing, so using it to compare how you feel is telling someone that you are very bored.
1- I have nothing to do. I'm bored to death.
2-I hate it when I'm bored to death.
3-Would you rather be super busy or bored to death?
Conversation
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
1- I'm so bored, I could die.
2-I'm dying of boredom.
Image taken from google in 2017