brain spam is when there's tons of unsolicited thoughts, images, and sounds incoming amongst what's actually pertinent and relevant information.
by The Postatron 3000 March 20, 2010

Person 1: "omg there were these two gay guys making out on the couch at this party, and i can't get the image out of my head."
Person 2: "ha, you've got brain spam"
Person 2: "ha, you've got brain spam"
by Jake521825 October 23, 2008
