A four word phrase typed into google search when one finds they have nothing to do and has had nothing to do for a long period of time. I'm so fucking bored is more commonly searched by teenager, specifically males who are out of things to do during the months of summer vacation.
You: "I'M SO FUCKING BORED"
Google: I'm sorry there are no search results for "i'm so fucking bored". Did you mean "I want to shoot myself"?
When you've watched every video, read every book, every fanfiction, played every game that has sparked your interest even slightly - to a point that you've considered TALKING to your family. You've listen to all your song playlists, tried conversing with friends but nothing is working - nothing is bringing you out of this state.
"Fuck dude, I'm so fucking bored! I've got literally nothing else I can do right now and it's so damn frustrating!"
When you're so fucking bored that you go to Urban Dictionary and define "I'm so fucking bored" using meta references that other people have already used to describe the same phrase but it doesn't matter because you're so fucking bored and you know the person reading it will be so bored that they won't care that they just read the same thing in the previous definition. They may wonder if they are more bored than you, or if you're still bored at the time of their reading your definition. Who knows? Neither you nor they, for starters.
Person 1: I'm so fucking bored.
Person 2: (doesn't exist)