fox in the henhouse

fox in the henhouse

Someone with bad intentions. (A fox would prey upon hens in a henhouse.) I'd watch out for him if I were you—he walks around here like a fox in the henhouse.
See also: fox, henhouse
References in periodicals archive ?
The Fox in the Henhouse By Si Kahn and Elizabeth Minnich San Francisco: Berrett-Koehler, 2005 320 pages; $14.
The Fox in the Henhouse calls much needed attention to the epidemic of privatization, which is transforming public services without meaningful discussion.
But by allowing supervisors to choose which lawyers could challenge them in court, ``we're putting the fox in the henhouse,'' he added.
It wasn't exactly a fox in the henhouse, but it came close.