I am just so lucky - I have no idea what being bored is like - I have never been bored in my life.
When all other stimulus is absent, I can just sit and think for hours on end, I reckon it must be dreadful to feel boredom, I sympehtise.
Get a piece of paper and a pen and write - what ever comes into your head. Doesn't metter if it's nonsense, you can tear it up later, or if you are on your PC, you can delete it.