The penis that is always at the end of the line and ignored, just like a runt in the animal pack. This penis tends to be weaker, with a much smaller frame and head. He does not produce sperm.
Jonathon Hodgeson has a small dick, he has a runt
by Tim Johnson May 25, 2007

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The result of inbreeding.

Children conceived from sexual acts between family members are considered runts.
"Jason, oh fuck me big brother! I want you to fill me up!"
"Yeah my lil bitch sis, Imma make you squeal! Fart out my lil runt from your maggottous sloppy fuckhole! I hope it is a redhead. Stick your toes in my mouth"
by Cake 2.0 February 11, 2008

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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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What starts as a rant ends up being very short and pathetic.
"Man I hate those guys so fucking much. "
"Why"
"Well they don't act politely.."
"Is that it?"
"Also they uh..yeah"
"Great runt, buddy"
by nerphed May 11, 2006

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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Stupid candy that makes gay noises when dropped, and bounces in a sonar pattern
"La ta ta ta-ta-ta-ta-ta ta ta-ta said the Runt"
by Mac November 01, 2003

The Urban Dictionary Mug

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Lotsa space for your liquids.

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The Urban Dictionary 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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A cluster of cunts in an oven roasting on a stick while rotating
I was at Jewel yesterday and I saw a runt and I bought a cunt.
by Gordono October 15, 2004

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

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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 ceratin Alex Williams
April and Nadia both love runt, April goes runt-spotting every day
by boc, boc, boc on a tree November 30, 2003

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.

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.

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