Symptoms include bloatedness, tiredness, feeling sick, feeling ridiculously full but still wanting to pump your face full of food; We call this phantom hunger. Recent studies show that McDonalds Hangovers are most common on Sunday's, with 62% occurring on this day.
Fat Boy: Nah, thats just the McDonalds hangover kicking in. You are now a Maccy junkie(education)!
It is not uncommon to go to the bathroom several times after eating McDonald's to go poop. The poop is usually black or greenish.
Similar to a alochol related hangover you will eat at McDonald's the next week.