Hornet's nest

Pronunciation: /ˈhɔɹnəts ˈnɛst/

Hornet's nest (noun)

  1. A situation that is likely to cause serious trouble or anger, especially when people get involved.
  2. A topic or issue that quickly leads to strong disagreement, criticism, or harmful effects.

Examples

  • Starting that argument is a hornet's nest.
  • She avoided the hornet's nest at work.