IHOP hangover
The symptoms caused by an overindulgence of IHOP's colossal portions of hearty breakfast foods. Marked by headaches, stomach pains and laziness. The hangover can be found in 49 of 50 states in America 24 hours a day, 7 days a week, in 1,319 different locations (Wikipedia.org)
Rachel had IHOP for breakfast and experienced an IHOP hangover several after eating some very chocolatey pancakes, whereas Jon has a higher tolerance of IHOP and avoided the hangover.