It's the effect greasy, nasty fast food has on you about 15 minutes after you eat it: You feel lethargic, tired, not wanting to do anything but veg on the couch.
Well this sucks. I justgot a McHangover from that Big Mac super sized meal.
When you eat too many chicken nuggets and feel too bloated to get up so you fall asleep at the table next to all the extrafood and wake up feeling sad that your leftover fries are now stale
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.