Cock In The Henhouse Meaning

(idiomatic, figuratively) A man in a situation where he has access to many women, presumably intending to seduce them.

Example: Elizabeth's divorce would cut her loose to go her merry, cheating way; which left him free as a cock in the henhouse to seek female companionship
  2009, Louisiana Privateer by Chris Clearman
Room for only one cock in the henhouse
  2010, Reality Bytes
But his strutting like a cock in the henhouse had done him no good with the privy council, nor with his brother the Lord Protector, nor even with his nephew the young king.
  2013, Venus in Winter by Gillian Bagwell