PLO
n.— «Jeddah is the gateway for pilgrims heading to Islam’s holy cities, Mecca and Medina. For centuries, Asian, African and Middle Eastern pilgrims have gone there; those who stayed—often called “PLOs,” for pilgrim leftovers—give the coastal city a cultural mix.» —“Modern times, Islamic rules in Saudi Arabia” by Betsy Hiel Pittsburgh Tribune-Review (Pennsylvania) May 28, 2007. (source: Double-Tongued Dictionary)