When the number of people working on a project, or within an area exceeds the point of diminishing returns - Instead of being productive, you're just getting in the way.
Why are there 8 chefs on duty? We only need2-3, the rest of us are just cockstepping.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi