When your swimming in a pool and you suddenly feel the temperature rise and realize your swimming in someone else's pee and immediately leave the pool and never want to get in one again.
Girl: eh no I have hydrophobia from..last time
Friend: I said I was sorry it just..leaked Girl: I'm never swimming again.
Person 1: I fear long words Person 2: Hmm, it appears you have hippophobia
Person 1: I have what?
Person 2: Hippophobia is short for hippopotomonstrosesquippedaliophobia
Person 1: OH JESUS CHRIST THE HORROR