by sky May 09, 2003
Someone who is hired to perform wrongful acts, but who then "turns nose" --- i.e., rats out his unscrupulous employers.
Professional criminals are very careful and wary when hiring new recruits, since he knows that many of them could either just be an undercover informant, or become a perpatraitor if things get too "hot" for him.
by QuacksO August 14, 2021