Noun
A message sent like a telegram, but delivered to the recipient by a performer who sings the message.
The performer who sings such a message.
Source: en.wiktionary.orgIt's a coffee cup." She could hear the irritation in her own voice. "I know it's a coffee cup." "I can't wait till you draw something really complicated, like the Brooklyn Bridge or a lobster. You'll probably send me a singing telegram. Cassandra Clare
I can't wait 'til you draw something really complicated, like the Brooklyn Bridge or a lobster. You'll probably send me a singing telegram. Cassandra Clare