Top Definition
To screw up something that is a for sure thing.
Man... I was about to nail this chick, but then i demayoed it in the end.

I thought I did good on the test, but I ended up demayoing it.
by Shawn J. K. March 23, 2008

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To blow something that is virtually guaranteed, usually due to your own hubris
Satan was once known as lucifer, but he demayoed his rebellion and wound up stuck in hell.
by Mister F March 26, 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.

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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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synonym for much or a lot
(Jane walks out of the house with tie dye knee-high socks. Friend Lily is taken aback)
Lily: Whoa, hippies de mayo
by the hott one May 29, 2005

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