Top Definition
N. A person who is born out of wedlock.

Derived from the idea that the act of premarital sex is a sin and therefore a resulting baby would be from sin.
"Brock is a sin baby and all his peers tease him because of it"

"I don't care if he's a bastard, I love me some sin baby!"
by Jay Jay Cool Whip February 11, 2010

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1) n. When a man ejaculates onto/into a baby doll (usually associated with a baby fetish)
1) You want me to make sin baby?
by Howling Blur December 30, 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.

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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).

Buy the t-shirt