What is Alien Brains?
An alignment of the male genetalia such that the testicles are squeezed against the inside of the scotum, creating the veiny, lumpy appearance of an alien's brain.
May be performed with just the scrotum and testicles, or with the scrotum tucked over the penis and then pulled tight. Sometimes accompanied by shouts of "alien brains" or simply "blaaaah."
Generally used as a sign of disrespect or in an attempt to disgust (sim.
Knut was being a whiny little wuss, so I alien brainsed him.
Kristina looked sick, so I showed her some alien brains. She barfed everywhere.