Top Definition
Hang brain is not the act of placing your scrotum on someone or something as noted in the other definitions. That would be "tea baggin." Hang brain is just the act of hanging your scrotum (testicles and all) out of the zipper of your pants.
The doctor wanted to see check my scrotum for unusual lacerations, so he asked me to hang brain.
by AT February 04, 2004

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When your nut sack is rested on someone's forehead.
by Anonymous July 31, 2003

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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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

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

Buy the t-shirt