Top Definition
A young girl that is by definition a "slut" before she hits puberty.
How old is that girl?

Twelve, and she has had sex with five guys in her class.

Wow.

Yeah, she's a total Slut Baby.
by Jack Hambit August 13, 2010

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Someone who dresses or acts slutty and is also childish and immature. They tend to be very insecure and lash out.
Kat is being such a Slutbaby, she keeps threatening Lynne because Kat's friends think Lynne is awesome. Maybe people would like Kat better if she didnt have sex with anything that moves and acted like an adult.
by SoberStoner June 23, 2010

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