I've decided to tattle on someone.
Why do you want to tattle on them? For what?
I'm bored to death and I just want something to do. Also, it's gonna be entertaining for me.
You should need a good reason to tell on someone. You shouldn't just do that for the lulz.
Oh come on, she can just ground herself.
How would you feel if someone made up fake stories to get you into trouble. Stop spreading rumors and find another way to pique your boredom. Go hang out with friends or learn a new hobby to occupy your time.