The intellectual goo that is secreted in the hypothalmus when one experiences an epiphany leading to euphoric pleasure (also known as braingasm).
Dude, when I saw that kitten, I realized the meaning of life, and I got brain jizz everywhere.
by Voodoo Karate December 16, 2010
Get the brain jizz mug.
verb. When you're deep throating a betch and you dick goes up instead of down and you ejaculate all up in there brain
Oooh I was with James last night and i totally jizz-brained his betch ass.
by Matthew The Pimp Fucker June 1, 2007
Get the jizz-brain mug.
When you put the tip of your dick in a girls nose and ejaculate onto her brain.
While she was sleeping I wanked in her nose and gave her mad jizz brain and she might die.
by Miacplkane October 25, 2015
Get the Jizz Brain mug.