An expression meaning doing things that might not be permitted because an authority figure isn’t present. Story link: The Tale of Two Bad Mice
Synonyms:
An expression meaning doing things that might not be permitted because an authority figure isn't present. Story link: <a href="https://www.gutenberg.org/files/45264/45264-h/45264-h.htm" target="_blank" rel="noopener">The Tale of Two Bad Mice</a>