Source : Free On-Line Dictionary of Computing

Career Limiting Move
     
         (CLM, Sun) Any action endangering one's future
        prospects of getting plum projects and raises, and possibly
        one's job.  E.g. "His Halloween costume was a parody of his
        manager.  He won the prize for "best CLM"."  A severe bug
        discovered by a customer might be a "CLM bug".
     
        (2000-08-09)