2 definitions by Knaw

A pornographic version of the popular YouTube website, allowing users to post their personal adult videos.
Did you see that hot guy on XTube?
by Knaw August 27, 2006
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A person who loudly criticises the referee's decisions - and often the players' performances - in a televised rugby or football match.
He's become a right armchair referee since he had to give up playing.
by Knaw January 12, 2009
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