After 20 years of dedicated service to the firm, they simply handed him a pink slip one day.
the title for an automobile (source is most likely from California, where the title is printed on a smaller index-card sized piece of pink paper, as opposed to most other states where the title is typically a full-size 8 1/2" x 11" sheet, usually printed on blue or blue-green paper with borders, similar to a stock certificate)
A pink colored piece of paper that acts as a receipt for learning guide completion A "pink slip" is issued when the student completes learning guide work or successfully writes a test The marker marks the work, records the score in the computer and delivers a pink slip to the students Teacher Advisor The T A passes the "pink slip" onto the student