heckle

To shout questions or jibes at (a public speaker), so as to disconcert him or render his talk ineffective.


External resources


Examples

that did not begin to satisfy the protesters, who heckled as two tech workers addressed a heavily attended public meeting

http://www.theguardian.com/world/2014/jan/25/google-bus-protest-swells-to-revolt-san-francisco?CMP=twt_gu