alt Hacker NewsDang, you should change it to "Lopadotemachoselachogaleokranioleipsanodrimhypotrimmatosilphiokarabomelitokatakechymenokichlepikossyphophattoperisteralektryonoptekephalliokigklopeleiolagoiosiraiobaphetraganopterygon" via your admin superpowers!
I doubt that can happen because that would go over the length limit, probably it should be "The Longest Word In Literature"
as for it screwing with mobile site width, on desktop FF putting width small seems to work fine as the word seems to have soft hyphens in it? Because it splits at the window edge with a hyphen in place.