What is Unspecified Winter Holiday?
1.
The safest, most politically correct holiday in the world. Of course, that's assuming you live somewhere that they have winter....
Some people are still not used to the term, mistaking it for other holidays, as seen in the example below.
JOE: "Merry Unspecified Winter Holiday, George!"
GEORGE: "Did I just hear you wish me a merry Christmas? I'M CALLIN' THE COPS, YOU DIRTY LITTLE...!"
See 
Random Words:
1. 
A variation of "Fuck My Life" used in response to hard drive, server, or other information technology failure. FSCK is a Unix ..