A theatre term: An insertion of a small prop during a scene involving some kind of roll to stay out of view of the audience. Said roll does not have to be a barrel roll, but most usually is. Usually referred to by acronym; LBR
"Dang I forgot to put that knife out on stage and had to pull a lavarian barrel roll."
by BlackOpsTechie May 15, 2010
Can you define these popular missing words?