Mothers and teachers. Generally they're only figures who use a person's full first name followed by a stern look. Nigel Owens can now be added to that exclusive list.
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During Saturday's Twickenham epic between England and France, Chris Robshaw decided he would point out what he felt was an infringement by an opposition player.
The protest was a bit long and overly persistent for the ref's liking. Owens quickly shot it down with some raised eyebrows and an authoritarian "Christopher".
Realising that he has overstayed his welcome, Robshaw departed after issuing an apology.
