Top Definition
ejaculating while riding Kingda Ka (the most extreme rollercoaster in the world) at Six Flags Great Adventure & Wild Safari in New Jersey. basically, the most thrilling experience of your life
Mike: Dude! I went to Six Flags this weekend and pulled off a Kingda Cum!
Joe: That's sick bro! I wanna try that sometime!
by y4nk33pr1d3 June 01, 2010

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