barracking

noun2

1. •
   An act of jeering or heckling.

   • It's the sort of mindset in which you don't take in the words of praise, only the boss's criticism and the barrackings of the crowd. — 2012
2. •
   (Australia, New-Zealand) The act of cheering for or supporting a team.

   • The only really unique aspect of Australian barracking is its idiom, the distinctive language and humour involved. — 1988