What is Brebre?

Where’s the apple? Says John. I ate it. Says Fred. Brebre. Answers John

Brebre - meme gif

I saw this on a wall in my school
I don't know what this means
But for me, it describes the feeling when your head is just filled up with shit

- How was your exam
- Really bad, I was so brebre

Meaning live solo, on your own, become an outcast...

“I’m tired of this world, the brebre is all in me.”