Some bullshit politically correct term to avoid saying the dreaded word "Christmas" even though everyone knows that's exactly what you're fucking talking about.
Anal uptight liberal American: Why, hello little Muslim person, I wish you a happy holiday season on this December 25!
Muslim: Don't you mean 'merry Christmas'? I mean... it's fucking Christmas, for fuck's sake.
Anal uptight liberal American: *head explodes*
A period of time in which millions of people fight in stores for small plastic toys to give to their children. If one of these plastic toys is not recieved by the child, he will turn into a demon and proceed to destroy sections of the home.
Dad- Son, I got you an expensive toy for this years Holiday Season
Son- This is a shitty present. Get me something better or ill rip the couch.