The story
Possibly an elaboration of good riddance, contrasting the word good with bad, and using the word rubbish to form an alliteration with riddance.
Etymology from Wiktionary, CC BY-SA 4.0.
good riddance to bad rubbish
good rid·dance to bad rub·bishToday it means: Used to indicate that one welcomes the departure of someone or something: good riddance! Full definition →