talking rubbish

• nonsenseMeaningless words or actions
• drivelSenseless, silly talk
• gibberishUnintelligible speech or writing
• blatherFoolish, pointless chatter
• waffleGridded breakfast cake

babble · hogwash · balderdash · twaddle · garbage · trash · junk · lying · fibbing · spouting · rambling · blabbering · hot air · bull · codswallop · piffle · claptrap · prattle