a male with a big penis
"whoah that guy is as big as sebby"
by wow123123 October 26, 2009

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Top Definition
Short for Sebastian.
"Come on, Sebby, let's go."
by woo. woo. June 26, 2004

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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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Adorable lion living in Georgia. Also answers to 'sebbums' and 'gee-hoff'
I once saw sebby at the mall. My heart nearly burst!

The Urban Dictionary Mug

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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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*Short for Sebastian
*When playing basketball and receives possession from the other team by drop kicking the ball
"Hey Sebby!"
"That dude just pulled a Sebby!"
by KobeShmoby February 08, 2015

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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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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A Toaster mouthed prick who is 54 years old & still plays ROBLOX & shit like that... Seblucc has nerdy friends like, DrowningTiger, iAduriteX, and some dude named Randomrobloxuser123, what a terrible fucking name...
"Wow you're beyond stupid, you're Sebby"
by ColtonWindu November 20, 2016

The Urban Dictionary Mug

Lotsa space for your liquids.

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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.

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