What is Yui?
1.
19-year-old female singer who is now very famous in Japan. she has a very beautiful voice. Also she is a very pro acoustic guitarist. She is very cute!
"Yui is the cutest girl on earth!"
or
"How can you not know who Yui is?"
See
2.
The easiest way to type a name.
"What's your name?"
"Yui."
See
3.
A Japtastic individual prone to kamikaze style stunts when under the influence of alcohol.
Shiiiit, that yui should totally get chemically castrated for the sake of the survival of the human species.
