Top Definition
noun - Person (can be either sex, but more commonly used to describe a woman) who contracts a venereal disease and infects their subsequent sexual partners.

Comes from the historical naval warfare practice of lighting an old ship on fire and letting it drift into your enemy's formation to burn all of his ships.
"I think that chick with the great rack is really into me."

"Don't do it, man. I heard she's a fire ship."
by Gorillajoe April 10, 2007

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A diseased prostitute.
Bewared lads, that there lass is a fireship!
by TheCheezCake February 19, 2009

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.

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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