Top Definition
An expression referring to a married couple having sex while their kid is at a friend's house, or at school, or a sleepover, etc.
Fish: Dude what happened?

Mike: I walked in on my parents having sex and my mom looked at me and said, "When the cat is away, the mice will come out and play."
#cat #mice #sex #parents #couple
by Alfred Miller September 27, 2009
5 Words related to When the cat is away, the mice will come out and play
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