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

Terry - I haven't seen Andy in a while
Falular - Yeah I was thundercunting him all of last night.
Terry - lol
Falular - Yeah I was thundercunting him all of last night.
Terry - lol
by broocemoose January 14, 2014

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.
by JackamoTheThunderCuntSlayer February 4, 2009

by Spunky127 April 19, 2014

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!
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

She is such a thundercunt, her vagina could probably provide enough power to light up a small village.
by Wicked_mean July 27, 2010

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.
That thundercunt Dr Bange failed that group because their memo was not stapled.
by katrina evacuee September 29, 2005
