Top Definition
A dumbo who has poo for brains and therefore thinks stinky thoughts.
Mitch: Why don't you like me
Kath: Mitch, you're a poo brain
โดย KathyK 25 พฤษภาคม 2008

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An insult applied to a dim-witted, brainless person.
"I've lost my car keys."
"You poobrain!"
โดย McGonagall 24 เมษายน 2006

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Lotsa space for your liquids.

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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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A poobrain pu-brane is a cranial sheister.
A turdiliacus of the highest order.
Usually recognized by an indiscrete smell of faeces.
Popular usage: Don't be such a "poobrain" you egg-head Sheister!
โดย Holster 25 เมษายน 2006

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.

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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
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