A chinese guy, usually with extremely straight hair, who rides the Faraz Wheel. A "yiu fai" usually smokes monkey pole, but is known to be neither straight, nor gay, nor bisexual.
Hey yiu fai, your hair may be straight but you aren't.
by Matt August 05, 2003
A chinese gangsta thug who plays basketball and smokes cock on his spare time. Can also be classified as The Wonginator or Chigga.
Yo yiu fai, stop smokin that cock and lets go play some ball, chigga.
by goran June 19, 2003