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.

Noun: a friend who is usually only called upon by a friend when a more primary/prominent friend is unavailable.

Taken from the term “second string” in an athletic competition situation. In football, if the star quarterback gets injured during a play, the second string is called off the bench to replace him/her. A “Second String Friend” is essentially benched until needed, if ever.

Synonyms: Plan B, Second Choice, Secondary Friend, Benched Until Needed

The pinnacle of all English swearwords, thundercunt is phoenetically, spiritually, grammatically, and socially the worst thing you can ever say. Much like a Holy Hand Grenade or the most powerful zord from Power Rangers, it should only be used in times of extreme need

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.

Any woman fitting the definition of a completly hanous raging bitch, who, upon picturing naked you envision the depths of nothingness encapsulated by the most disgusting hairy herpes infested vagina EVER!

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.

A girl or woman who is such a cunt that it thunders down the area causing everyone near her to run away in fear.