When you're too lazy to answer the house phone and you're just waiting for siblings, parents, or whoever else is in the house with you in a different room to get it. Pretty much it is procrastinating answering a phone call you are too lazy to get up and answer.
After a certain amount of tones you realize that whoever else is in the house with you is doing it too. So in being the better man/woman you take your last bit of energy to rush to the phone.
The grossest, most horrible, satanist ship name between the two characters, Clary and Sebastian, in Cassandra Clare’s book series The Mortal Instruments. ((They are brother and sister.......))