Hippopotomonstrosesquipedaliophobia Share definition Flag A name of a phobia in which is a big fuck you to anyone who has it. Bill: Did you know you have Hippopotomonstrosesquipedaliophobia? Jim: Fuck you too Hippopotomonstrosesquipedaliophobia by Weirdodude10001 April 30, 2016 0 0 Get merch Get the Hippopotomonstrosesquipedaliophobia mug. Buy Now — $32.95 See more merch