1) Abuse 2) Barracking 3) Derision 4) Jeering 1) Barracking 2) Break 3) Disruption 4) Interruption 
[flax] Heckling (or `hackling`) splits and straightens the flax fibers, as well as removing the fibrous core and impurities from flax. Heckling is done with heckling combs by pulling the flax through the combs. This parts the locked fibers and makes them straight, clean, and ready to spin. After heckling, the flax is ready to spin. After sp...
[n] - shouting to interrupt a speech with which you disagree
barracking noun shouting to interrupt a speech with which you disagree