1 definition by Fat Librarian
A brain blast is when you go in for brain surgery and while the doctor has your head cut open, ejaculates into your brain.
Also when you shove your penis so far up someone's nose and jizz, it touches their brain.
Also when you shove your penis so far up someone's nose and jizz, it touches their brain.
I went in to get brain surgery and when I woke up I realized I had a brain blast!
Anthony's girlfriend Tiffany wanted oral, but he instead gave her a brain blast!
Anthony's girlfriend Tiffany wanted oral, but he instead gave her a brain blast!
by Fat Librarian August 11, 2015