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The period between Christmas day 2009 and New Years day 2010 where many members of the public turned into the Master from Doctor Who.
Masteritis has spread like wildfire on many popular internet sites.
by MrsMazzyTennant January 01, 2010
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2
The Tendcy to become sleepy after a masterbation seisson
Bro I just got masteritis something crazy
by 94OGsnappin April 19, 2017
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