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Engaging in multiple useless diversions at the same time. Sometimes it may be accompanied by one important task, but that usually gets the least amount of attention from the mirdatasker.

This is a direct result of the younger generation's short attention span and addiction to technology. Mirdatask at your own risk.
Jake: "Oh my gosh, why does Nick always have to play Total War, watch Hulu, and write an essay while Game of Thrones is on? This show seriously complicated even if you pay attention."

Alfonso: "He's just mirdatasking."

Me: "What a jabroni."

Nick: "Hey guys, who's the dwarf dude again?"
by neumsicle August 21, 2012
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