Top Definition
a stupid person, not bright
person: whats 2x2?
other person: ummmmmmm... i dont know.
first person: wow what a lame brain.
by BLG3143 October 14, 2008

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Lotsa space for your liquids.

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Someone who posts nasty comments about someone they know on Urban Dictionary thinking that it will end up on the site.

Someone who is completely unaware of how unoriginal and lame it is to post negative comments about people they know on Urban Dictionary.
I enjoy editing Urban Dictionary posts but i get frustrated sometimes with the huge amount of lamebrains, twits, and meatheads posting completely useless bullshit. What a waste of my time, their time, and Urban Dictionary's bandwidth.
by CurvedMirror October 24, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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
An total idiot.

see: scott whitson
Scott Whitson is a lamebrain
by jack December 13, 2003

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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