Boo Cancer or b00cancer is a form of exhaustion that one suffers from hearing or saying too many Boo (the ghost enemy from mario bros) puns.

Ex. While in Luigi's mansion a player is trying to fight a Boo, you might say something like "Pointing the vaacum directly at him will really BOOst your chances of winning" to which you or the player may develop Boo Cancer


Boo cancer was a term coined by DJAceOfSpades and some co-hosters during his 24 hour stream on Vidya² on 10/10/2010.
Dj boocancer

Canadian streamer DJ after contracting Boo Cancer