human megaphone

human megaphone

n
the technique of using a crowd of people to repeat a speaker's words in unison
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
He saw the Occupy Wall Street protestors who filled Zuccotti Park communicating by way of a human megaphone, says Chelsea Orcutt, head of outreach for Thunderclap.
These included the mumiriri, "human megaphones" who use their voices to broadcast the words prophets filled with the Holy Spirit whisper; the vaimbi, a group of members chosen by the Holy Spirit to offer a kind of choral commentary to the events and developments of the service; and the elders placed in charge of guiding the many people, both members and nonmembers, seeking help with spiritual afflictions.
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