The feeling you have after a long week of work followed by a Saturday full of binge drinking, when Sunday hits you question your entire existence. Typically characterized by laying in bed all day and both regretting past decisions and questioning your seemingly non-existent future. Thoughts like "I"m going to die alone" and "Will I ever get a job that I actually enjoy?" consume you for the entire day while you're battling a hangover.
Wow I haven't seen Chad all day! He must have a bad case of the Sunday Scaries
The specific type of hangover filled with doubt, regret, the shakes, and an overall feeling of self disgust. The scaries happen ordinarily the morning a day drinking blackout.
"Bro, I don't know what happened all I did was drink a bottle of vodka then everything went all black eyed peas. I hope I didn't do done something stupid. I think I have the scaries..."