the fear of long words, which, ironically, is so ridiculously long that even people without hippopotomonstrosesquipedaliophobia may get overwhelmed by it
Pam: so you have hippopotomonstrosesquipedaliophobia
Ellen: SHHH
Pam: *grins*
Ellen: don't you dare
Pam: iiiiiiiiiit's SUPERCALIFRAGILI--
Ellen: *runs away, screaming*
Hippopotomonstrosesquipedaliophobia: an, innapropriaitely named, fear of long words.
Catherine: You look positively petrified, my good sire. Do you possess hippopotomonstrosesquipedaliophobia, by chance?
Jimmy: Yeah, I have hippopotomonst- FUCK WE'RE ALL GOING TO DIEE!! LOCK THE DOORS!! LOCK THE DOOORRRRS!!