Top Definition
when a girl is ill'n for the penic, she is penicillin
when a girl really needs a penis in her mouth or vag, she is penicillin.
by tahoenyer January 02, 2012

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something you give a girl when you like her, but she doesn't like you.
"I gave her penicillin, and she said we could be more than friends!"
by satya November 17, 2004

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