Top Definition
brain stain - a continually intrusive thought, thought pattern or visual that is highly undesirable or distracting, similar to an ear worm.
Pvt. Schmuckattelli has some serious brain stains from seeing the chaos in Iraq; he wishes he could wash those scenes from his mind, but he can't.
by TooSick4U May 18, 2007

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The act of holding your testicles in your hand, so that they resemble a brain. Then placing them on someone, thus giving them a brain stain.
I totally brain stained Johnny last night in his sleep.
by ClitorisCommander1234 May 13, 2011

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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the pesky mess left after someone's brain has splattered; usually left on purpose, out of anger and frustration
I'm so pissed at you, there's gonna be brain stains all over your shit when you get home!
by alyjane June 06, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

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

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt