A euphemism for any online discussion which seemed relevant and important at the time, but has now become buried in the noise of other discussions and is now mostly forgotten.
"Did we ever decide which format to go with for those new TPS reports?" "Not really, I think that got eclipsed by the cute puppy photo."
A ninjutsu where fire shot from the jutsu caster goes around the moon forming a ring. The ring of fire shoots at the target and everyone else within a 100 mile radius.
Fire style, ring of fire eclipse jutsu!
The solar eclipse on August 21, 2017. This was a rare chance to see a total solar eclipse across pretty much the entire United States, and if you looked at it, you could've gotten blind.
That Solar Eclipse 2017 was lit.