look up any word, like dirty sanchez:
 
1.
you are not
yain ready for joe coudie
by concerned citizen March 05, 2004
 
2.
yain a greeting between fellow yainsters aka adrian noll mus and cutso and fello family members also a tryhard word if someone else uses it
yaaaaiiiiin (when called out between fellow "hood" members)
by muus October 20, 2004