Buggins' turn
Appointment or advancement based on a series of rotation (as due, for example, to seniority) rather than individual merit, qualification, or achievement. So called for the commonness and ubiquity of Buggins as a surname in the UK Primarily heard in UK. Even though I work twice as hard as him, he's going to get the promotion because of Buggins' turn.
Buggins's turn
appointment in rotation rather than by merit. Buggins is used here to represent a typical or generic surname.