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2.
A wonderful person; a good friend; kind; ethical.
Man, I feel so Jiayin today.
by The Wallflower January 03, 2010
 
1.
someone who is chinese and is cool, funny, sometimes weird, is nice around people and does not have naturally straight hair but really curly-ish hair.
Jia Yin! I love your name! It's the best you chinese person.
by myob_8 July 14, 2010