When you get up to get ready, you realize you were crying for a LONG when you look in the mirror, and notice those big puffy eyes, and you feel worse then you did when you actually got dumped; Ex. You don't even wanna hear your ex's name.
School the next day:
Mary's friend: Hey Mary, what the fuck is wrong with your face?!?
Mary: Breakup hangover. I feel like shit.
Mary's friend: Johnny?
Mary: Hey, fuck you.