Tommyrot (noun) is a British term for nonsense - tommy meaning "fool". Other words with similar meanings are codswallop, balderdash, poppycock and blatherskite. All with a distinctly Victorian, Dickensian, nonsensical music to them. I fell in love with the word in the third episode of Doctor Who Series 1, when the Doctor is explaining the existence of ghosts which haunt a funeral home and Charles Dickens himself snorts the word.
I love these words that invent themselves, make little sense, but having so much meaning nonetheless.
