Top Definition
A colloquial expression for 'clubbed thumb', a physiological difference where an individuals' thumb appears shorter or 'ogre-ish' in comparison to normal digits; almost like its been hit with a hammer.
Dude, have you seen Megan Fox's hammer thumb? Its totally fucking gross, bro. I'd still it though.
by Notacrook June 08, 2010

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When a person's thumb:
1) has a hammer related injury
2) is unusually wide and stumpy
I just hit my thumb with a hammer today. This hammer thumb makes me feel like an clutz.

"Have you seen Susie's Hammer Thumb?"
"Ya, they're unusually wide and stumpy!"
by ihatepickingnamesout54321 May 10, 2010

The Urban Dictionary Mug

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Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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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).

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A short stumpy manwoman that loves to profess his/her superior intellect and liberal bias, all while showing off her extraordinary belly fur.
Man, DT is such a Hammer Thumb!
by SUPMA November 22, 2008

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.

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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.

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