2 definitions by hagalil!
a jewish youth organization for people in grades 9-12 that try to educate young people on all things involving Judaism. everyone greets everyone with huge hugs and are a lot nicer and accepting than jewish groups like BBYO or nifty. once you come to usy you will never leave.
by hagalil! April 1, 2008
a jewish organization for teens from 9th-12 grade. it focuses on jewish learning and study. but also has the best people who will become your best friends. not just that but is a great place if you just want to hook up with someone
in usy the dances are sick!
by hagalil! April 8, 2008