Mango Brain 

Where your brain is so dumb it is mushy and smooth like a mango. (similar to Smooth Brain)

"This guy couldn't name any country."
"It's because he has mango brain."

Mango Brain by Mxrlyn November 17, 2020

Manga brain 

1.) A feeling of reading too much manga that causes your brain to slow down.
2.) The state of reading too much manga causing tiredness.

Hey Joey, are you ok? I just need to rest for a bit, I have manga brain. I spent the whole night reading One Piece, and I am feeling tired.

Manga brain by Remi90 June 29, 2022