Stuff and Nonsense is a phrase used to describe something that is nonsensical or meaningless. The term can be broken down into three crossword solutions: ROT (3 letters), POPPYCOCK (9 letters), and HUMBUG (6 letters). ROT stands for 'rubbish on the table, ' which is a British expression for something that is worthless. POPPYCOCK is an American term for nonsense, derived from Dutch words meaning 'parrot droppings.' Finally, HUMBUG is an old-fashioned word for nonsense or deception. All three terms are used to describe something that is foolish or without merit.