This expression, sometimes found as gloom and doom, was particularly pertinent to fears about a nuclear holocaust during the cold war period of the 1950s and 1960s. It became a catchphrase in the 1968 film Finian's Rainbow.
RELATED IDIOMS :
the best and most notable aspect of something
a person's hair – Informal
go to glory
die or be destroyed
in your glory
in a state of extreme joy or exaltation - informal