kryptonite
n.— «The same things that lowly Washington and freshman Jake Locker used to throw a serious scare into the Trojans. The same things that one USC player referred to as the team’s “kryptonite” in the days leading up to the Rose Bowl.» —“USC defense is catalyst in Rose Bowl win” by Todd Behrendt Fox Sports Jan. 3, 2008. (source: Double-Tongued Dictionary)
Further reading
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...
Is there something inherent in English that makes it the linguistic equivalent of the Borg, dominating and consuming other languages in its path? No, not at all. The answer lies with politics and conquest rather than language itself. Plus: a new...