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something awsome,cool, superduper. sometimes yelled to give your opinion on somthing you thought was cool
That was totaly RADBALLS!!!


by urs truly June 12, 2007
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An expression used to show that you feel excited about something, totally stoked in every way.
"Hey Janie, I got tickets to go see Weezer!"

"Fuckin' rad balls!"
by totally_magical January 13, 2010
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