Thighs that are muscular and strong. Something to be proud of.
Look at the beautiful lady. Her thighs are sooooo strong. There Thunder Thighs!
by musicisme000 July 22, 2011

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n. A person who is so overweight that one's thighs rub together when he/she walks and creates a low rumbling noise deep within the earth whenever he/she steps.
Holy christ! Here comes thunderthighs! Hold onto something! Brace yourselves!! *BOOM* (low rumbling noise)
by TheJEnigma March 23, 2004

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Pertaining to a person with very large or fat thighs.
I need to get rid of these thunder thighs.
by Light Joker September 07, 2004

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The Urban Dictionary Mug

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A woman whose thighs are so powerful she can crush granite between them. It's so sexy! It can happen to women who march.
The most physically attractive person in the GT Marching band, Thunder Thighs, is really Catherine S., the flautist, who graduated in '08.
by Helluva Nengineer October 14, 2008

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The Urban Dictionary Mug

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thighs on a person(usually a chubby one) that jiggle violently
Zeus' thunderthighs jiggle vilolently when he runs in the clouds.
by Matt S. Bush November 21, 2008

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thighs tha are the size of dinner hams that jiggle while you run
damn that girl has thunder thighs..yeah that ones so big i could live of it for a week
by T-MONEY May 01, 2003

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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A man or women that has massive thighs and legs that look fat, possibly disproportionate to the rest of their body.
Look at those woman's legs, she has thunder thighs
by D_masters June 10, 2012

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The Urban Dictionary 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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