1 definition by Annonymous1235

Top Definition
The name given to the extreme actions undertaken by "beliebers". This includes sending death threats to any female he comes in contact with, such as Kim Kardashian, Rihanna or Esperanza Spalding, and any other action that might threaten their position as Justin Bieber's fake girlfriend.
"Belieberism is too damn high!"

"Belieberism has shown its ugly face once again"
by Annonymous1235 January 12, 2012

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