talk (someone) down
Definition: to stop someone speaking by talking at the same time for longer and more loudly.
(This phrasal verb has more than one meaning)
E.g.1: He doesn’t even wait for people to stop speaking – he just talks them down.
E.g.2: Both factions at the meeting were trying to talk the other side down. In the end the chairman had to call for order.
This phrasal verb can be separated. (E.g. 1 and 2)