It is an actual person who was known to make awesome dinosaur noises and was a hardcore weight lifter. You may call someone a James Yoon. It means making dinosaur noises like AINFOIAWJFIAJWFOI and being elektrikk.
by Brian Bai April 1, 2005
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A prick who is as skinny as a stick
Man, he could be a James Yoon!
by Ohmygoshi November 22, 2016
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