"Palstinian Liberation Organisation". A terrorist group that became the Palestinian Authority PA which now claims to be the sole and legitimate representative of the Palestinian people. Current head is Abu Mazen (Mahmoud Abbas)
Palestinian terrorist: "Hey, it'll make us seem more legitimate if we had a government."
Rest of the world: "How bout we give you more money and more legitimecy and then you can continue opressing your own people and funding terrorism."
Terrorist: "Ok, we'll change our plo to the PA"
someone who is doing or saying something crazy or unheard of, or just does or says something you don't agree with
can also be used to describe someone who's not cool at the time
can also be used in a joking way
"Why are you such a plo...I told you not to eat my chips!"