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1.
Now I've Seen It
Person 1 "Look at that guy juggling chainsaws on fire wearing a thong on a unicycle!"

Person 2 "NISI"
by Derf King October 26, 2011
 
2.
English meaning is: cow-face.
Normally extremly good at art, and has very good penmanship. But...
can be very annoying and can ruin your dreams of pirates and ninjas.
Recent studies have shown her to be affiliated with Dr. Phil.
Nisi is soooo annoying. She told me that ninjas werent cooler then pirates.

OMG!! Nisi's MOM is dating DR. PHiL?!
by emma_awesomee July 10, 2008