Extending your time off between consecutive work weeks by two additional days.
Matt; hey boss can you put me in the book to take Friday and Saturday off? Boss; so you want A-Sanchez again?!
When you constantly adjust your schedule to benefit yourself at the expense of others.
Employee: I need to change my hours again I have something to do.
Boss: You need to change your hours for the 4th time this week? What about working your normal shift?
Employee: I don't like the hours I chose for my shift, so I will just change them to benefit me.
Boss: So you want a PilkerChange