empty talk(n = noun.communication) empty words, hot air, palaver, rhetoric - loud and confused and empty talk; "mere rhetoric"
is a kind of bunk, hokum, meaninglessness, nonsense, nonsensicality

baby talk, back talk, big talk, chalk talk, double talk, empty, empty handed, empty headed, empty nester, empty of, empty words, idle talk, nonsense talk, pep talk, pillow talk, sales talk, shop talk, small talk, sweet talk, table talk, talk, talk about, talk back, talk big, talk down, talk into, talk nonsense, talk of, talk of the town, talk out of, talk over, talk shop, talk show, talk terms, talk to, talk turkey