Partly it was a sort of hymn to the wisdom and majesty of Big Brother, but still more it was an act of self-hypnosis, a deliberate drowning of consciousness by means of rhythmic noise.

George Orwell

1984. Part 1, Chapter 1. What Winston thinks about the people chanting ‘B-B…B-B’, who are hyponotising themselves into believing that Big Brother is worth worshipping.