Top Definition
Jerry Seinfeld's somewhat eccentric and annoying uncle in the hit TV series "Seinfeld."
Uncle Leo, to Jerry: "Are you ashamed of your Uncle Leo?"
by DirkD January 20, 2007

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Law enforcement. From the common abbreviation "LE", and inspired by the name of the Seinfeld character.
"Watch your speed on Route 9, Uncle Leo is all over it tonight."
by Blather July 02, 2009

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
Like the Dirty Sanchez but you are taking a girl from behind and stick two fingers in her butt, reach around and swipe eyebrows on her face, slap her on the arse and say "Hello Jerry! You don't write, you don't call"
She was a huge Seinfeld fan but not after I gave her the Uncle Leo
by Frankeroo October 28, 2010

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