Another term for a ....A....Ummm, a prune! Yeah, that's it. An "Xhable" is a prune.
An example is: *Eats an Xhable*
The Designated Ugly Fat Friend found in a group of girls out on the town. She may be a Cockblocker unless your group of guys has someone drunk enough to take her attention away from ruining your night.
"Hey Joe, you take care of the DUFFer so I can get to the hot one."
"Dude, why do I always have to do that?"