Looses a match in Crysis or Crysis 2 (lossing at match in crysis 2 results in a bigger rage)
Finds out that punkbuster has banned them as a result of hacking.
Plays MW2 for too long
Also 'fanboys' can get the affects of a browny rage if someone says something negative about the thing they worship.
And as always 'rage spit' will cover the surrounding area of the rage
Message on pc: Punkbuster has perm banned you for using Aimbot 2.0!
Browny: Inaudible rage aka 'browny rage'