All the birds have flown up and gone

The fine art of bludgeoning an electronic device in order to encourage it to work properly. Vigorous usage of this technique often renders said device permanently nonfunctional.

llamo por teléfono a mí mismo,

y nadie respondió

Chernabog, 

Czernobog, Chornoboh, Crnobog and Tchernobog is a Slavic deity, whose name means black god, about whom much has been speculated but little can be said definitively.