Top Definition
The inability to detect intelligence in a friend or acquaintance.
So, I was tryin to mack on that girl from the suburbs all night...really talking up that grant I just received. She's totally brain blind, I guess she went home with that guy on the motorcycle.
by shtooops November 15, 2009

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

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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

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

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