The term 'blah, blah, blah...' is a phrase used to indicate that someone is speaking without saying anything of importance or value. It is often used to express boredom or frustration with a conversation. The crossword solutions for this term are GAB (3 letters), ETC (3 letters), and ETCETC (6 letters). GAB stands for 'gibberish and babble', which is another way of saying meaningless words. ETC stands for 'et cetera', which is Latin for 'and so on'. Finally, ETCETC stands for 'etcetera et cetera', which is a more emphatic way of saying 'and so on and so forth'.