Way Back Wednesday = Uzun Havalar. (Pronounced "OOH zoon HAHV uh lar".) This refers to Turkish music that has no rhythm or measure, and sounds improvised. It is conceptually equivalent to the Arabic taqsim.

http://www.shira.net/glossary.htm

Belly Dance Terms: A Glossary
www.shira.net
Learn what all those words of Middle Eastern origin mean that you hear other belly dancers using. This glossary covers over 60 such terms. This page appears on The Art Of Middle Eastern Dance, which offers over 400 articles related to belly dancing: poetry, translated song lyrics, tips and tricks, f…