What is "bundle of joy"

n. 1 (context idiomatic English) A newborn baby. 2 (context idiomatic less common English) A pet.

Bundle of Joy is an album recorded in 1977 by jazz trumpeter Freddie Hubbard. It was released on the Columbia label and features performances by Hubbard, Dorothy Ashby, Azar Lawrence and Ernie Watts.

Bundle of Joy ( 1956) is a Technicolor musical remake of the comedy film Bachelor Mother (1939), which starred Ginger Rogers. It stars Eddie Fisher, Debbie Reynolds, and Adolphe Menjou. An unmarried salesgirl at a department store finds and takes care of an abandoned baby. Much confusion results when her co-workers assume the child is hers and that the father is the son of the store owner.