When someone is acting mentally retarded.
Look at Tom's face! He's full special right now!
An internet poker term. When you get rivered by a one or two-outer.
Johnathan got the Full Tilt Special 165 times in the course of an hour.
When a person continually fucks up at the same thing in the same way so much so that the act of fucking it up becomes known as a Special. When a another person makes the same fuck up as the originator, that act can then be known as "Insert Originators Full Name" Special.
Insult to injury is added if originator is in same room when term is used on someone.
e.g of "Insert Persons Full Name" Special.
Alan & Dave driving to another town
Alan "Jimmy always get lost driving"
Dave "Now im fucking lost"
Alan "Yeah you done a Jimmy Smith Special"
Dave "Shit"