To say yes repeatedly to show agreement or obedience; the sound of consenting or complying. Often used in the context of being submissive or overly compliant compared to one who speaks the truth, as in the expression 千人之诺诺，不如一士之谔谔 qiān​rén​zhī​nuò​nuò​bù​rú​yī​shì​zhī'è'è.