Dummy up and Sit on

Dummy up verb - To stop talking.

Sit on and dummy up are semantically related in silence topic. In some cases you can use "Sit on" instead a verb "Dummy up", when it comes to topics like keep back, make or be quiet.

Dummy up and sit on are semantically related in silence topic. Sometimes you can use "Dummy up" instead a verb "Sit on", if it concerns topics such as keep back, make or be quiet.