Top definition
Someone who volunteers for research studies that mess with their brains (usually via psychoactive drugs) for some cash.
Danny signed up for 3 drug studies last week because he was broke, and went bat shit crazy...what a brain slut.
by clasw74 August 03, 2009
Get the mug
Get a brain slut mug for your cousin Callisto.

Available Domains :D

  • brainslut.se
  • brainslut.ninja
  • brainslut.men