The dog returns to its own vomit
Naomi had to ask a teacher the meaning of the phrase in Shakespeare’s Henry V, and it just stuck
Naomi – 1960s
Naomi Iliff (King) – owner
In Henry V III.7:
Dauphin: Le chien est retourné à son propre vomissement, et la truie lavée au bourbier
(The dog has returned to its own vomit and the sow has washed in the quagmire)