Cake Hangover
When you think you woke up feeling shitty due to the fact that you ate too much cake and got too little sleep the night before, but find out later that you actually have the stomach flu.
When Raphael woke up, he dismissed how shitty he felt as a Cake Hangover. However, his mother said he had a fever, rediagnosing him as having stomach flu.
Cake hangover
When you eat too much cake at your birthday party and wake up feeling crappy
Guy 1: Girl 1's birthday party was bomb!
Guy 2: It was, but I heard she got a cake hangover.
Guy 2: That sucks.
Guy 2: It was, but I heard she got a cake hangover.
Guy 2: That sucks.