Top Definition
Rust, particularly of cars.
Joe's old Caddilac was riddled with steelworm, thanks to the salt roads from too many Minnesota winters.
by boggah August 08, 2016

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Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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When you slap someone (most likely a girl) in the face brutally with a hard cock.
"Dude she got steelwormed so hard, her nose started to bleed!
by steeleworm March 04, 2012

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