(n.) a word that describes a sexy korean R&B singer.
Yo, Usher was so hot at that concert last night. He was sucha jaejin.
by Ceelo March 31, 2006
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Self centered person. Not really much to say. Smart but a jerk.
Do you see him? That jaejin pak!
by ImJustALonelyKid March 13, 2018
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