It looks more like a pair of snakes devouring each other's tails. So it's a good thing we don't have to come up with a name for the second snake. :)

He could have written

sub ouroboros { shift->(@_) }
ouroboros \&ouroboros;
[download]

but that doesn't look quite as cool.
A word spoken in Mind will reach its own level, in the objective world, by its own weight

It was eating itself by value the first time through :)