What is Third-umpire?
1.
Dodgy stuff, too close to call, of dubious merit, some characteristic or aspect that "the jury is still out" on. Something that is debatable.
Etymology: Akin to when during a cricket match the on field umpires are faced with a decision that is too difficult to make and so they refer to the Third Umpire for a ruling.
Tom Cruise eating placentas is Third-Umpire.
See
2.
Dodgy stuff, too close to call, of dubious merit, some characteristic or aspect that "the jury is still out" on. Something that is debatable.
Etymology: Akin to when during a cricket match the on field umpires are faced with a decision that is too difficult to make and so they refer to the Third Umpire for a ruling.
Tom Cruise eating placentas is Third-Umpire.
See