Heckling is an act of cowardice. If you want to speak, get up in front of the microphone and speak, don't sit in the dark hiding. It's easy to hide and shout and waste people's time.
Billy ConnollyPaddy was in the delivery room when the midwife handed him a black baby. "Is this yours?" she asked "probably" said Paddy "she burns everything else"
Billy ConnollyDon't tell me how to do my job. I don't come to your workplace and tell you how to sweep up.
Billy Connolly