Ratjacket is a
reputation or 'jacket' for snitching. Once acquired, a ratjacket is typically permanent. In the
office and other environments where
people become well-known to each other, the ratjacket is a form of social leprosy and can lead to ostracization and worse.
Emma noticed a chilly social thermostat at the office. To her horror,
Emma realized she had a ratjacket after singing to management about Jenny and
Heather's time-card collusion.