Top Definition
An annual handball tournament which is held in Valkenburg, the Netherlands. It is a festivity which people look out for every year, it is visited by thousands of people, 3 days of playing handbal and getting wasted.
Hey, how was this years Iason tournament?
Yeah it was awesome, except for the weather
by Jaapisgay? June 13, 2009
6 Words related to Iason Tournament

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