Illadel is the slang name for Philadelphia, the greatest city on god's green earth. East Side Fo' Life. Contrary to popular belief Illadel has an orgin, it comes from The Roots' (native Illadelphians btw) song 'Game Theory'.
A company that makes GREAT bongs. Also a bong I used to own that was a Illadelph made bong, we called it Illadelph and now have a smaller bong called Minidelph.