Buggins's turn

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 Britain. Primarily heard in UK. Even though I work twice as hard as him, he's going to get the promotion because of Buggins' turn.
See also: turn
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

Buggins's turn

appointment in rotation rather than by merit.
Buggins is used here to represent a typical or generic surname.
See also: turn
Farlex Partner Idioms Dictionary © Farlex 2017
See also:
References in periodicals archive ?
Britain runs on Buggins's turn with the two main parties swapping power every few years.
That principle of Buggins's turn should be abandoned.
They placed their big bet on perpetuation of the old system, the Buggins's turn theory of government, that once the people got tired of Gordon, they would hand the baton over to the born-torule brigade.
England rugby teams were picked on the Buggins System; when Buggins's turn came to be chairman of selectors, shovelsful of caps were handed out in his parish.