alcopocalypse 

(noun) an event where so much alcohol is consumed that the following days will resemble the "end of days". Much like a hangover but to an extreme degree and experienced by many. Generally includes,but not limited to, horrible headaches and nausea, an inability to eat solid food and multiple apology/"what happened" phone calls. Often associated with weddings, birthday, Irish wakes, all major drinking holidays, but usually requires of two or more such events to truly qualify.

St. Patrick's Day Cinco DeMayo New Year's Eve Labor Day Weekend Memorial Day Weekend

"I'm going out to celebrate four birthday's, an engagement and a housewarming, it's going to be the Alcopocalypse, if I don't make it through the night, tell my family I love them.

alcopocalypse by T. F. Noonan May 1, 2010

y'allpocalypse 

Genre of apocalyptic media specifically set in the United States where most surviving humans are heavily implied to be from blue collar backgrounds and have generic rural or Appalachian accents. Usually involves zombies.

"The Last of Us is a y'allpocalyptic game."
"That beat-up rusty van that just passed us looks like it's straight out of the y'allpocalypse."

y'allpocalypse by papermantis November 13, 2020