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1.
To have a voice so beautiful, it silences the crowd.

You feel scared at first, because you think you sung it bad, but after about three seconds, the crowd cheers like crazy!
Mariah Carey just dropped one of the best voice bombs...

It made Chuck Norris cry!
by metallkidd93 March 10, 2008
 
2.
unexpected voice command from a third party that initiates, changes or modifies a voice command given to an electronic device by it's primary user.
Bob: "OK, Glass Google.."
Mary: "Bob Sucks"
Google - Search results for "Bob Sucks"

Or

Mary dropped a voicebomb on my search so I will have to try again.
by radguy1 May 22, 2013