Top Definition
A person with either a large nose, a bowl cut, or the ability to play the clarinet. Descendant of both the squidward and the shanth
Max looked towards the boy, and said

"God, that kid is SUCH a Seibert!"
von sluurp 25. Oktober 2009

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A person with negative qualities. Such as: Spoiled, Careless, Inorant, Rude.
"You should really control your child, she's starting to act like a Seibert!"
von Bonquisha Charisse 18. August 2011

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
Same as the Altoid Seibert, but without the Altoids.
The Altoid Seibert's cool tingle was a wonderful sensation. The Seibert was also nice but lacked the added coolness that makes the Altoid Seibert so special.
von BiggieUSC 12. August 2006

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
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