cock in the henhouse

Meanings:

• 1.

  American EnglishBritish Englishinformalcolloquial
  • An unwelcome male presence among females, especially one that causes disruption or awkwardness.
  • A new or intrusive person whose presence upsets an established social balance.

• 2.

  American EnglishBritish Englishinformalfigurative
  • An element introduced into a group or situation that creates disorder, conflict, or a threat to existing order.