Really fat thighs that have super gross dimples and wrinkles or "cellulite" and jiggle in every single direction possible and clapping together which makes them jiggle even more, causing extreme hatrid toward the fat ass for having such fuckin gross thighs which explode with every fuckin step. Thighs of this size are known to cause extreme damage to any chairs and make you laugh really hard.
Dude: dude check out that ladies thighs!
Other dude: JESUS CHRIST THOSE ARE THUNDER THIGHS!
by Dev B. November 7, 2006
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A name of a girl that uses the fat of her thighs to ejaculate a man. When finished both become thunderstruck
Gina is quite the thunder thighs.
by bobbyddd November 24, 2014
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to have thighs that you have to buy pants 4 sizes too big just to get ur fat ass thighs in.
god, erin brady had fat ass thunder thighs
by Jess January 14, 2004
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The nick-name Given to Chun-li by her friends and family.
Her name is Chun-li, but we just call her Thunder Thighs.
by Jordan Miller April 24, 2005
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"THUNDER THIGHS" are a fat girls thighs that are so humoungous, big & fat that they clap together when they walk. This produces a loud noise which goes like "SLAP, SLAP, SLAP" , hence the "thunder" part of the word.Also causes earthquakes,volcanic eruptions,and tsunamis from just one clap.So make sure you stay away.People have been know to wander near the thighs and never seen or heard of again.EVER
Damn son another girl must have Thunder Thighs cause there is a earthquake happing right now!
by Chinfu December 26, 2014
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a girl with EXTREMLY big thighs
wears tight skinny jeans to make her legs look small(doesn't work)
walks around like shes big
makes fun of people she thinks is "ugly" even though this girl is FUUGGLLYY!
"watch out THUNDER THIGHS is coming"

"Here comes THUNDER THIGHS..EARTHQUAKE!!"
by Le infamous March 13, 2009
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Of a woman, large, broad hips and thighs. One of the most distasteful images possible is a woman of such build in a bikini.
by KHD June 26, 2003
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