Slang for a way of ordering hashbrowns at The Waffle House diners. Scattered smothered and covered means that the hashbrowns are scattered on the grill, smothered with diced onions, and covered with melted cheese.
After a long night of drinking, you have to head down to The Waffle House at 3am and get em scattered smothered and covered.
The state of one's mind after a seretonin depleting weekend, associated with drug culture, generally refers to the after effects of ecstasy on the following day of consumption.