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The term to congratulate one on a humerous and or skilled accomplishment, which is often a skill that doesn't require much effort or talent,the accomplisher is refered to as Roin a welsh sounding twist on the name Roy. The phrase is often pronounced in a high pitched welsh accent with a ``uhhh'' in between the nice one and Roin
Person 1: I just won a mario kart race with a bullet bill

person 2: Nice one Roin!
by David Osgar December 08, 2008
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