devil's triangle

noun3

1. •
   An area that is dangerous and where people or vessels may disappear.

   • "Perhaps all the guilt lies in this devil's triangle, the Balkans, where they are always out to get you." — 1977
2. •
   A set of three things considered dangerous.
3. •
   Synonym of devil's threesome.

noun2

1. •
   An area of the Atlantic Ocean where many ships and planes have disappeared under allegedly mysterious circumstances.
2. •
   (rare) Synonym of devil's threesome.

   • And on the off-chance you're in a "Devil's Triangle" (two dudes, one girl): NO, NO, NO, NO, I HATE THIS, I HATE THIS, IHATETHISIHATETHISNONONONONONONONO. I'm sorry. — 2013