Top Definition
The sleep-deprived, often disorienting way a person feels after working on so many impending deadlines their life has become a blur, usually made possible by the regular consumption of several litres of caffeinated beverage in short amounts of time.
Huh? Oh, I get it now. Sorry: brain-lag!

Employer: "Have you been here all night? You look like shit!"
Employee: "Yeah, a bad case of brain-lag..."
{employer leaves cubicle}
Employee: "...bastard."
by Adam Schilling February 16, 2006

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

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

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When it takes one's brain a few seconds to catch up with their actions.
Person A: Dude, you just tried to drink a sandwich.
Person B: Huh? Oh great... Brain Lag.
by Kick to da ballz July 15, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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