thundercunt noun 1verb 1forms 3 noun1 •(slang, vulgar) An extremely objectionable person.Whether it be good or bad, I guarantee you I will have no problems calling you a cock-juggling thundercunt. — 2004 verb1 •(slang, vulgar) To throw (something, into something else such as a wall) with great force. formsthundercunted · thundercunting · thundercunts