What is Mexican Hangover?
1.
after a night of heavy drinking, eating, etc., the act of waking up the next morning and taking the most violent, earth-shattering dump, in which it sprays the walls of the crapper with the powerful force of a fire hose!!!
"oh man, i must have had like fifteen heinekens last night before we got those chili cheese dogs....uh-oh...i'll be right back...."
See