A term used to describe a person who is acting like such a cunt, that they alter the Earth's meteorological behaviour, resulting in near-apocalyptic storms with lethal levels of thunder. This is the worst level of cunt you can get.
by Pete Sahut August 08, 2011
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A cunt of the highest order, who finds new and exciting ways of pissing off her significant other. Thundercunts tend to be over 300 lbs, and hate working just as much as they love chicken nuggets from Wendy's.
Jennifer, you fat fucking pig. Stop being a thundercunt and open the door. I have nuggets for you.....
by milkdud August 23, 2006
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The biggest and most cuntiest of all cunts. Generally, thundercunts are incredibly obese and have a portal to Hell in between their legs rather than a vagina.
Bob: Have you met the new girl?
Joe: You mean Meghan? Yeah, dude, she's a fucking thundercunt.
by JackamoTheThunderCuntSlayer February 04, 2009
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1. a megacunt, usually white trash by nature, who needs to learn when to shut her trap 2. an excessively bitchy person, who spends her days making others feel worthless
At a community service project last Friday a Thundercunt came up to her car and bitched, "Who put a wata bottle on mah car?!?".
That thundercunt Dr Bange failed that group because their memo was not stapled.
by katrina evacuee September 25, 2005
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(noun) an unreasonably mean spirited woman demonstrating massive amounts of unnecessary and unwaivering bitchiness.

(noun) an obese woman who is bitchy beyond belief.
If you live in NY, you know that Senator Hillary Clinton is a Thundercunt.

"Man, Moesha don't got no love for a nigga lately. She be pissin' an' moanin' when I ain't do nuthin' wrong! She's a straight up Thundercunt!"
by JCLPE May 08, 2006
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Adaption of the Derogatory term 'Cunt.' Used in situations where Cunt is not harsh enough.
Meant to cause extreme offense and a great way of releasing frustration and anger orally.

Abbreviation of the term Thundering Cunt.

Verb: Thundercunting.
Stop picking your ass you thundercunt.
Look at him thundercunting around there with no pants on as if he owns the place. He is a major Thundercunt.
by Podge93 July 29, 2013
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A person who's actions and/or personality reflect that of a cunt, but exponentially greater in cunty-ness
Guy 1-Dude, you know Brandi?
Guy 2-I hear she's a bitch.
Guy 1-Not just a bitch, she's a raging thundercunt!
by Alexander the Nate November 11, 2012
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