A person who has hippopotomonstrosesquippedaliophobia; the fear of long words.
"Such a shame, Bryson couldn't get past the second word when we tried doing that weird 'long word spelling quiz', because he was a hippopotomonstrosesquippedaliophobe; he nearly fainted when he heard the word 'pneumonoultramicroscopicsilicovolcanoconiosis'..."
refers to a fucking idiot who wont SHUT THE FUCK UP like man KILL YOURSELF JUMP OFF A CLIFF
"that person is niggerdly fucking stupid"