Top definition
A device like no other. Easily identified by it's considerable length and breathtaking girth. Either seen as either a reward or punishment depending on the orientation and tastes of the recipient.
1. Excellent work Steve, that'll definitely earn you the Masterschlong in the office next week.

2. You're such a cunt, when we get home you're gonna get Masterschlonged.
by The masterschlong August 17, 2013
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