Room Meat Definition

noun

Person(s) being present in a passive way or to make up the numbers ; bystander(s)

There is a scene in the film In The Loop where an MP is asked to attend an important meeting. But as he enters the room he is warned, with some menace , to keep his mouth shut tight. "What?", he asks, "You've got me here as room meat?"
How much of our lives as academics is spent as room meat: turning up to things because it would look bad if the numbers were small, or just because we are meant to be there?
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