Top Definition
an unwanted mental image that keeps popping up in your brain
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"
by Jake521825 September 08, 2008

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
brain spam is when there's tons of unsolicited thoughts, images, and sounds incoming amongst what's actually pertinent and relevant information.
I tried to do my midterm but I kept getting all this damn brain spam
by The Postatron 3000 March 16, 2010

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
When a person repeats the same stupid troll tactics so much it hurts your head to read it.
Spammer:Boy I am the best troll on here. You must be so butt hurt.
Victim : You have said that so many times it is turning into brainspam.
by Admin Tom May 12, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug