I... can't find a source for that one. Not that I doubt you, or the pitch-perfect brutality of the put-down, but you'd expect a quote like that to show up after a bit of digging. Which is a bit odd. My Google-fu's normally a little bit better than this. =Small Victory

FiMFiction.net: we might accept blatant porn involving the cast of My Little Pony but as God is my witness we have standards.

Though I did find a story about a TV presenter talking about a "hypodeemic nerdle", which sort of made up for it.