english
1
general::
Phrase(s): shout someone or something down to overwhelm someone or something by shouting. • Mary was trying to speak, but Sally shouted her down. • Ann brought up a very important suggestion, but Bob shouted it down. • The lecturer had to shout down the entire audience to be heard.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Overwhelm or silence by yelling or jeering, as in The audience went wild and shouted down the speaker. [c. 1920]
American Heritage Idioms