look up any word, like plopping:
 
1.
(N) The stopping of all talking and/or vocal speech when someone not in the conversation enters the room or area; The silence that occurs when someone enters the room.
It's a good thing we pulled a stopversation when Sean came into the room, or else he would have heard us talking about him.
by Stopversationist June 13, 2009

Words related to Stopversation

conversation pauseversation sean talk